Skip to Main Content

Used 2018 GMC Sierra 1500 SLT VIN 1GTV2NEC9JZ108338 Stock Number C57804

  • Market Value $40,000
See Important Disclosures Here
Buick GMC Dealership Storefront

Gallery

Dealership Photos
Manufacturer Photos
May not represent actual vehicle (options, colors, trim and body style may vary).
Specifications
  • Exterior Summit White
  • Engine 5.3L 8 Cylinder Engine
  • Drive Wheels 4WD
  • Stock Number C57804
  • Transmission Automatic
  • VIN 1GTV2NEC9JZ108338
  • Interior Jet Black Spice Red
  • Location McGrath Chevyland
  • Body Description Extended Cab Pickup - Standard Bed
  • Doors 4
  • Fuel Type Gas
  • Market Value $40,000
  • Trim SLT
  • Vehicle Type TRUCK
Only 4 vehicles like this remaining
Save
Get Today's Price
USEDShopClickDrive
    Print Email Share

    Vehicle At A Glance

    • Fuel Economy * N/A city / N/A hwy
    • Mileage 23,232 MILES
    • Transmission AUTOMATIC
    • Exterior Color Summit White
    • Interior Color Jet Black Spice Red
    • Engine Data 5.3L 8 Cylinder Engine
      Vehicle Delivery

        Specifications

        Entertainment
        • 6-speaker audio system
        • Audio system, 8" diagonal Color Touch Screen with GMC Infotainment System, AM/FM/SiriusXM, HD Radio with USB ports, auxiliary jack, Bluetooth streaming audio for music and most phones, Pandora Internet radio and voice-activated technology for radio and phone (Upgradeable to (IO6) 8" Diagonal Color Touch audio system with Navigation and GMC Infotainment System.)
        • Bluetooth for phone personal cell phone connectivity to vehicle audio system
        • Radio, HD
        • Single-slot CD/MP3 player (On Crew Cab model replaced by (U42) rear seat DVD/Blu-Ray Entertainment Package when (U42) Entertainment Package is ordered.)
        • SiriusXM Satellite Radio is standard on nearly all 2018 GM models. Enjoy a 3-month All Access trial subscription with over 150 channels including commercial-free music, plus sports, news and entertainment. Plus listening on the app and online is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM. (If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. To cancel you must call us at 1-866-635-2349. See our Customer Agreement for complete terms at www.siriusxm.com. All fees and programming subject to change.)
        • Steering wheel audio controls
          Exterior
          • 4X4 chrome badge (Included and only available with 4X4 models.)
          • Active Aero Shutters, front
          • Bumper, front chrome lower
          • Bumper, rear chrome with rear bumper corner steps
          • CornerStep, rear bumper
          • Door handles, chrome
          • Fog lamps, thin profile LED
          • Glass, deep-tinted
          • Grille surround, chrome
          • Headlamps, high intensity discharge (HID) projector-beam with LED signature
          • LED Lighting, cargo box with switch on center switch bank
          • Lamps, cargo area, cab mounted with switch on center switch bank
          • Mirror caps, chrome (Not available with (GAT) All Terrain Package and (NHT) max Trailering Package.)
          • Mirrors, outside chrome cap, heated power-adjustable, power-folding and driver-side auto-dimming with integrated turn signal indicators and puddle lamps (includes driver's side spotter mirror)
          • Moldings, bodyside, chrome
          • Remote Locking Tailgate (Included and only available with (AQQ) Remote Keyless Entry.)
          • Tailgate and bed rail protection caps, top
          • Tailgate, EZ-Lift and Lower
          • Taillamps, LED with signature
          • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
          • Tire, spare P265/70R17 all-season, blackwall
          • Tires, P265/65R18 all-season, blackwall
          • Wheelhouse liners, rear (Requires Crew Cab or Double Cab model.)
          • Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) polished aluminum
            Interior
            • Air conditioning, dual-zone automatic climate control
            • Assist handle, front passenger on A-pillar
            • Cruise control, steering wheel-mounted
            • Defogger, rear-window electric
            • Door locks, power
            • Driver Information Center, 4.2-inch diagonal color display includes driver personalization, warning messages and vehicle information
            • Floor covering, color-keyed carpeting
            • Floor mats, color-keyed carpeted first and second row (Not available with (GAT) All Terrain Package.)
            • Instrumentation, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
            • Mirror, inside rearview auto-dimming
            • OnStar 4G LTE and available built-in Wi-Fi hotspot offers a fast and reliable Internet connection for up to 7 devices; includes data trial for 3 months or 3GB (whichever comes first) DATA TRIAL OFFER GOOD THROUGH 4/30/2018 (Available Wi-Fi requires compatible mobile device, active OnStar service and data plan. Data plans provided by AT&T. Visit onstar.com for details and system limitations.)
            • Pedals, power-adjustable
            • Power outlet, 110-volt AC
            • Remote Keyless Entry (Includes (A91) remote locking tailgate.)
            • Remote vehicle starter system
            • Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor)
            • Seating, heated driver and front passenger Only available on Crew Cab and Double Cab models.
            • Seats, front 40/20/40 leather-appointed split-bench, 3-passenger with (KA1) heated seat cushions and seat backs. Includes 10-way power driver and front passenger seat adjusters, including driver/front passenger power recline, driver/front passenger power lumbar, 2-position driver memory and adjustable outboard head restraints.
            • Steering column, manual Tilt-Wheel and telescoping
            • Steering wheel, leather-wrapped with audio and cruise controls
            • Theft-deterrent system, unauthorized entry
            • Universal Home Remote
            • Visors, driver and front passenger illuminated vanity mirrors
            • Windows, power with driver express up and down and express down on all other windows
              Mechanical
              • Alternator, 150 amps (Not included with (PCQ) SLT eAssist Package.)
              • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power
              • Brakes, 4-wheel disc with DURALIFE rotors, 4-wheel antilock
              • Capless Fuel Fill
              • Cargo tie downs (4), movable upper
              • Cooling, auxiliary external transmission oil cooler
              • Cooling, external engine oil cooler
              • Differential, heavy-duty locking rear
              • Engine, 5.3L EcoTec3 V8, with Active Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm; more than 300 lb-ft of torque from 2000 to 5600 rpm)
              • Exhaust, aluminized stainless-steel muffler and tailpipe
              • Four wheel drive
              • Frame, fully-boxed, hydroformed front section
              • GVWR, 7200 lbs. (3266 kg) (Requires Crew Cab or Double Cab 4WD models and (L83) 5.3L EcoTec3 V8 engine or (L86) 6.2L EcoTec3 V8 engine. Included with (PCQ) SLT eAssist Package on TC15543 Crew Cab model.)
              • Pickup box
              • Rear axle, 3.08 ratio (Standard and only available on (L83) 5.3L EcoTec3 V8 engine. Not available with (RD3) 20" bright machined aluminum wheels, (NZP) 20" chrome clad aluminum, (RD5) 20" polished aluminum, (NZH) 20" bright machined aluminum with painted accents or 22" LPO wheels.)
              • Recovery hooks, front, frame-mounted, black (Standard on 4WD models.)
              • Steering, Electric Power Steering (EPS) assist, rack-and-pinion
              • Suspension Package
              • Transfer case, active, 2-speed electronic Autotrac with rotary controls, includes neutral position for dinghy towing (Included with 4WD models only.)
              • Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Requires Double Cab model and (L83) 5.3L EcoTec3 V8 engine. Requires Crew cab model without (GAT) All Terrain Package, (PDT) SLT Crew Cab Premium Plus Package, (NHT) Max Trailering Package or (L86) 6.2L EcoTec3 V8 engine.)
                Safety
                • Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
                • Daytime Running Lamps with automatic exterior lamp control
                • GMC Connected Access with 10 years of standard connectivity which enables services such as, Vehicle Diagnostics, Dealer Maintenance Notification, GMC Smart Driver, Marketplace and more; EFFECTIVE WITH SALES STARTING 5/1/2018. (Included and only available with (UE1) OnStar. Limitations apply. Not transferable. Standard connectivity available to original purchaser for ten years from the date of initial vehicle purchase for model year 2018 or newer GMC vehicles. See onstar.com for details and further plan limitations. Connected Access does not include emergency or security services. Availability and additional services enabled by Connected Access are subject to change.)
                • OnStar and GMC connected services capable; EFFECTIVE WITH RETAIL SALES STARTING 5/1/2018. (Visit onstar.com for coverage map, details and system limitations. Services vary by model.)
                • Rear Vision Camera
                • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
                • Teen Driver mode a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to encourage safe driving behavior. It can limit certain vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report gives you information on your teen's driving habits and helps you to continue to coach your new driver
                • Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
                  Featured Equipment
                  • 4-Wheel ABS
                  • 4-Wheel Disc Brakes
                  • 4x4
                  • 6-Speed A/T
                  • 8 Cylinder Engine
                  • A/C
                  • AM/FM Stereo
                  • Adjustable Pedals
                  • Adjustable Steering Wheel
                  • Alarm
                  • Back-Up Camera
                  • Bucket Seats
                  • CD Player
                  • Chrome Wheels
                  • Cruise Control
                  • Daytime Running Lights
                  • Driver Air Bag
                  • Driver Illuminated Vanity Mirror
                  • Driver Lumbar
                  • Driver Vanity Mirror
                  • Dual Zone A/C
                  • Electrochromic rearview mirror
                  • Electronic Stability Control
                  • Fog Lamps
                  • Front Floor Mats
                  • Front Tow Hooks
                  • Full Size Spare Tire
                  • Gasoline Fuel
                  • HID headlights
                  • Heated Driver Seat
                  • Heated Mirrors
                  • Integrated Turn Signal Mirrors
                  • Keyless Entry
                  • Leather Seats
                  • Leather Wrapped Steering Wheel
                  • Locking Rear Differential
                  • MP3 Player
                  • Navigation
                  • Onboard Communications System
                  • Pass-Through Rear Seat
                  • Passenger Air Bag
                  • Passenger Illuminated Visor Mirror
                  • Passenger Lumbar
                  • Passenger Vanity Mirror
                  • Power Door Locks
                  • Power Driver Mirror
                  • Power Driver Seat
                  • Power Passenger Seat
                  • Power Steering
                  • Power Windows
                  • Privacy Glass
                  • Rear Defrost
                  • Rear Head Air Bag
                  • Remote Engine Start
                  • Satellite Radio
                  • Seat Memory
                  • Side Head Air Bag
                  • Split Bench Seat
                  • Steering Wheel Controls
                  • Tire Pressure Monitoring System
                  • Tires - Front All-Season
                  • Tires - Rear All-Season
                  • Trailer Hitch
                  • Universal Garage Door Opener
                  • WiFi Hotspot
                  • iPod/MP3 Input
                    Options
                    • AIR CLEANER, HIGH-CAPACITY (Requires 4WD model. Included with (Z71) Off-Road Suspension Package.) (K47)
                    • ALL TERRAIN PACKAGE includes (CGN) spray-on bed liner, (UHN) 18" x 8.5" (45.7 cm x 21.6 cm) bright machined aluminum wheels, (AN3) front bucket seats and (UQA) Bose premium audio system, (DP6) Black painted mirror caps, (D75) body color door handles, (B86) body color side molding, Black belt molding, (Z71) Off-Road Suspension Package with monotube Rancho shocks, (NZZ) underbody shield, (UD7) Rear Park Assist, (RIA) floor liners, LPO deletes the standard (B58) carpeted floor mats, (VB5) front body-color bumper, (VT5) rear body-color bumper with corner steps, unique grille with body color surround and chrome accents, bright sill plates and All-Terrain cluster. All Terrain side emblem replaces Z71 fender emblem and Sierra door emblem. Requires one of the following exterior colors: (G1K) Stone Blue Metallic, (G2X) Deep Mahogany Metallic, (GAZ) Summit White, (GBA) Onyx Black, (GPA) Dark Slate Metallic, (GPJ) Red Quartz Tintcoat (Requires 4WD models, (H2W) interior trim jet Black/Spice Red, (RBX) P265/65R18 all-terrain, blackwall tires or (RBW) P265/65R18 all-terrain, white outlined tires with (UHN) 18" x 8.5" (45.7 cm x 21.6 cm) bright machined aluminum wheels. Not available with SEO options, (PCO) Essentials Package, LPO, (PDO) Protection Package, LPO, (NHT) Max Trailering Package, (PDT) SLT Crew Cab Premium Plus Package, (PDB) SLT Premium Package, (PDC) Texas SLT Premium Package, (Y86) Enhanced Driver Alert Package, (VXH) 6" rectangular chrome tubular assist steps, LPO and (VQY) Chrome recovery hooks, LPO. Upgradeable to (NZH) 20" wheels with (RC7) 20" tires or LPO 20" and 22" tires and wheels.) (GAT)
                    • AUDIO SYSTEM, 8" DIAGONAL COLOR TOUCH SCREEN NAVIGATION WITH GMC INFOTAINMENT SYSTEM, AM/FM/SIRIUSXM, HD RADIO with USB ports, auxiliary jack, Bluetooth streaming audio for music and most phones, Pandora Internet radio and voice-activated technology for radio and phone (Included with (PDT) SLT Crew Cab Premium Plus Package.) (IO6)
                    • BED LINER, SPRAY-ON Pickup box bed liner consisting of high pressure, chemically bonded, sprayed-on polyurea & polyurethane liner formulation. Liner is permanently bonded to the truck bed providing a water tight seal. Includes embossed Denali logo on front bed wall. The textured, non-skid surface is black in color and robotically applied. Spray-on liner covers entire bed interior surface below side rails, including tailgate, front box top rail, gage hole plugs and lower tie down loops. (Included with (GAT) All Terrain Package or (PDT) SLT Crew Cab Premium Plus Package. Not available with (VZX) bed liner, LPO. Not available with any ship thru code on Double Cab models. Not available with (PDH) GMC Interior Protection Package, LPO.) (CGN)
                    • BOSE SOUND WITH 6 SPEAKER SYSTEM (7 speaker system including subwoofer when ordered with bucket seats) includes (NKC) noise control system.) (Included in (PDT) SLT Crew Cab Premium Plus Package, (GAT) All-Terrain Package, (PDB) SLT Premium Package or (PDC) Texas SLT Premium Package. Required when (L86) 6.2L EcoTec3 V8 engine and (AN3) bucket seat are ordered and (UQA)
                    • BUMPER, FRONT, BODY-COLOR LOWER (Included and only available with (GAT) All-Terrain Package.) (VB5)
                    • BUMPER, REAR BODY-COLOR with corner steps (Included and only available with (GAT) All-Terrain Package.) (VT5)
                    • CONSOLE, FLOOR MOUNTED with cup holders, cell phone storage, power cord management, hanging file holder capability and (K4C) wireless charging (Included and only available with (AN3) front bucket seats.) (D07)
                    • CUSTOMER DIALOGUE NETWORK (R6J)
                    • DOOR HANDLES, BODY-COLOR (Included and only available with (GAT) All Terrain Package.) (D75)
                    • EMISSIONS, FEDERAL REQUIREMENTS (FE9)
                    • ENGINE, 5.3L ECOTEC3 V8, WITH ACTIVE FUEL MANAGEMENT, DIRECT INJECTION and Variable Valve Timing, includes aluminum block construction (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm; more than 300 lb-ft of torque from 2000 to 5600 rpm) (STD) (L83)
                    • GVWR, 7200 LBS. (3266 KG) (STD) (Requires Crew Cab or Double Cab 4WD models and (L83) 5.3L EcoTec3 V8 engine or (L86) 6.2L EcoTec3 V8 engine. Included with (PCQ) SLT eAssist Package on TC15543 Crew Cab model.) (C5Z)
                    • HILL DESCENT CONTROL (Included and only available with (Z71) Off-Road Suspension Package.) (JHD)
                    • JET BLACK/SPICE RED ALL-TERRAIN, LEATHER-APPOINTED FRONT SEAT TRIM (Requires (GAT) All-Terrain Package.) (H2W)
                    • LICENSE PLATE KIT, FRONT (will be forced on orders with ship-to states that require front license plate) (VK3)
                    • LPO, ALL-WEATHER FLOOR LINER (Included with (GAT) All Terrain Package, (PDO) Protection Package, LPO and (PCO) Essentials Package, LPO. Not available with (VAV) all-weather floor mats.) (dealer-installed) (RIA)
                    • MIRROR CAPS, BODY-COLOR (Included and only available with (GAT) All Terrain Package, mirror caps will be black.) (DP6)
                    • MOLDINGS, BODYSIDE, BODY COLOR (Included and only available with (GAT) All Terrain Package.) (B86)
                    • REAR AXLE, 3.42 RATIO (Included with (PCQ) SLT eAssist Package on TC15543 Crew Cab model. Required with (L83) 5.3L EcoTec3 V8 engine or (L86) 6.2L EcoTec3 V8 engine . Included with (NHT) Max Trailering Package with (L86) 6.2L EcoTec3 V8 engine on Crew Cab models.) (GU6)
                    • REAR PARK ASSIST, ULTRASONIC (Included and only available with (GAT) All-Terrain Package.) (UD7)
                    • SEATS, FRONT FULL-FEATURE LEATHER-APPOINTED BUCKET with (KA1) heated seat cushions and seat backs. Includes 10-way power driver and front passenger seat adjusters, including 2-way power lumbar control, 2-position driver memory, adjustable head restraints, (D07) floor console and storage pockets. (Includes (K4C) wireless charging. Included with (PDT) SLT Crew Cab Premium Plus Package or (GAT) All Terrain Package.) (AN3)
                    • SLT PREFERRED EQUIPMENT GROUP (4SA)
                    • SOLID PAINT (ZY1)
                    • SUMMIT WHITE (GAZ)
                    • SUSPENSION PACKAGE, OFF-ROAD includes Z71 chrome side front fender emblems, monotube Rancho brand shocks and (K47) air cleaner, (JHD) Hill Descent Control, (NZZ) underbody shield requires 4WD models, (Included with (GAT) All Terrain Package. Not available with (QSS) P275/55R20 all-season, blackwall tires or (RKX) P265/65R18 all-season blackwall tires. Requires all-terrain tires.) (Z71)
                    • TIRES, P275/55R20 ALL-TERRAIN, BLACKWALL (With (L83) 5.3L EcoTec3 V8 engine and Crew Cab 4WD model (Z71) Off-Road Suspension Package is required. Required with (GAT) All Terrain Package when (NZH) 20" wheels are specified. 2WD models require (NHT) max trailering package.) (RC7)
                    • TRAILER BRAKE CONTROLLER, INTEGRATED (Included with (NHT) Max Trailering Package and (PDT) SLT Crew Cab Premium Plus Package.) (Included with (NHT) Max Trailering Package and (PDT) SLT Crew Cab Premium Plus Package.) (JL1)
                    • TRANSMISSION, 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD) (Requires Double Cab model and (L83) 5.3L EcoTec3 V8 engine. Requires Crew cab model without (GAT) All Terrain Package, (PDT) SLT Crew Cab Premium Plus Package, (NHT) Max Trailering Package or (L86) 6.2L EcoTec3 V8 engine.) (MYC)
                    • UNDERBODY SHIELD, TRANSFER CASE PROTECTION (Requires 4WD models. Included and only available with (GAT) All Terrain Package or (Z71) Off- Road Suspension Package.) (NZZ)
                    • WHEELS, 20" X 9" (50.8 CM X 22.9 CM) BRIGHT MACHINED ALUMINUM with Dark Argent painted accents (Requires (GAT) All Terrain Package. Included with (PDG) All Terrain SLT Premium Package.) (NZH)
                    • WIRELESS CHARGING (Included and only available with (AN3) front full feature leather appointed bucket seats. Not compatible with all phones. Compliant batteries include QI and PMA technologies. Reference Mobile devices manual to confirm what type of battery it uses.) (K4C)

                      Accessories

                      Shop our entire portfolio of GMC Accessories and make your vehicle one of a kind.

                      Whether you’re looking for Premium All-Weather Floor Liners and Floor Mats to help protect your interior, 22” Wheels and Black GMC Emblems for personal style or a set of Cross Rails to expand your cargo options, we’ve got you covered.

                      Choose from the only accessories Designed, Engineered, Tested and Backed by GMC as well as Associated Accessories from our partners at Thule, Kicker and others to personalize and enhance your vehicle.
                      GMC Accessories

                      Similar Vehicles

                      Market Value
                      $41,200
                      Fuel Economy
                      N/A city / N/A hwy
                      Stock Number
                      T220292A
                      Engine Data
                      4 Cylinder Engine
                      Exterior Color
                      Silver Ice Metallic
                      19 photos

                        Market Value
                        $42,998
                        Fuel Economy
                        N/A city / N/A hwy
                        Stock Number
                        C58214A
                        Engine Data
                        8 Cylinder Engine
                        Exterior Color
                        Summit White
                        28 photos

                          Market Value
                          $40,998
                          Fuel Economy
                          N/A city / N/A hwy
                          Stock Number
                          C230185A
                          Engine Data
                          5.3L 8 Cylinder Engine
                          Exterior Color
                          Summit White
                          30 photos

                            Market Value
                            $43,998
                            Fuel Economy
                            N/A city / N/A hwy
                            Stock Number
                            C16581
                            Engine Data
                            2.7L 4 Cylinder Engine
                            Exterior Color
                            Summit White
                            28 photos

                              Market Value
                              $43,998
                              Fuel Economy
                              N/A city / N/A hwy
                              Stock Number
                              C58224A
                              Engine Data
                              3.6L V6 Cylinder Engine
                              Exterior Color
                              Summit White
                              26 photos

                                Market Value
                                $40,998
                                Fuel Economy
                                N/A city / N/A hwy
                                Stock Number
                                C230194A
                                Engine Data
                                8 Cylinder Engine
                                Exterior Color
                                Satin Steel Metallic
                                30 photos

                                  Market Value
                                  $41,000
                                  Fuel Economy
                                  N/A city / N/A hwy
                                  Stock Number
                                  Q51275A
                                  Engine Data
                                  8 Cylinder Engine
                                  Exterior Color
                                  Summit White
                                  42 photos

                                    Market Value
                                    $37,998
                                    Fuel Economy
                                    N/A city / N/A hwy
                                    Stock Number
                                    C230521B
                                    Engine Data
                                    3.6L V6 Cylinder Engine
                                    Exterior Color
                                    Summit White
                                    28 photos
                                      All Vehicles Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers. All models may be subject to additional markup of $1295 for Screen Protectors, Door Edge Guards, Ceramic Window Tint, Door Cup Guards, Rear Bumper Guards (if applicable) and Nitrogen Filled Tires. Trucks are subject to additional markup of $895 for dealer installed Hammercoat Bed Liners. All models are subject to a regional market adjustment of $2,000- $5,000. Please see dealer for current pricing on all vehicles. All Vehicles MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the “Fuel Economy” portion of the EPA’s website for details, including a MPG recalculation tool). The features and options listed are for the new 2018 GMC Sierra 1500 and may not apply to this specific vehicle.