2023 GMC Sierra 1500 AT4X
Specifications, live market data, colors, and factory features.
224 for sale right now
$32,900 – $77,726
Specifications
Performance
- Engine
- 6.2L V-Shaped L87
- Horsepower
- 420 hp
- Torque
- 460 lb-ft
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Gasoline
- MPG City
- 14 mpg
- MPG Highway
- 17 mpg
- MPG Combined
- 15 mpg
- Fuel Tank
- 24 gal
Dimensions
- Length
- 232.9″
- Width
- 81.2″
- Height
- 78.4″
- Wheelbase
- 147.5″
- Curb Weight
- 5,530 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 5
- Base MSRP
- $81,700
Colors
Factory colors on 2023 GMC Sierra 1500 AT4Xs for sale now.
Exterior
- Summit White(white)42
- Onyx Black(black)34
- Sterling Metallic(silver)13
- Dynamic Blue Metallic(blue)13
- Titanium Rush Metallic(gray)12
- AEV STAMPED-STEEL FRONT BUMPER(silver)8
- Desert Sand Metallic(gold)7
- Black6
- Volcanic Red(red)6
- Volcanic Red Tintcoat(red)4
Interior
- Obsidian Rush(black)136
- Black3
- Jet Black(black)1
- Obsidian Rush, Full grain leather front seat trim(black)1
- Black Leather(black)1
Live Market Data
Computed from active 2023 GMC Sierra 1500 AT4X listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest AT4X Listings
The newest 2023 GMC Sierra 1500 AT4Xs on the market.

Used 2023 GMC Sierra 1500
$58,999
Est. $854/mo*
Southern CDJR Newport News

Used 2023 GMC Sierra 1500
$54,391
Est. $788/mo*
Cummins Chrysler

Used 2023 GMC Sierra 1500
$60,384
Est. $874/mo*
Dillon KIA Mazda

Used 2023 GMC Sierra 1500
$55,995
Est. $811/mo*
Bayside Ford

Used 2023 GMC Sierra 1500
$58,085
Est. $841/mo*
Herlong Chevrolet

Used 2023 GMC Sierra 1500
$55,335
Est. $802/mo*
Harry's on the Hill

Used 2023 GMC Sierra 1500
$59,862
Est. $866/mo*
Jones Nissan

Used 2023 GMC Sierra 1500
$53,219
Est. $772/mo*
Mac Haik Toyota League City
What's Yours
Worth?
The median 2023 GMC Sierra 1500 AT4X lists for $55,940 today.
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Factory Features
Standard equipment from the window sticker, reviewed for accuracy.
Comfort & Convenience
- Heated and ventilated 16-way power front seats with massage
- Electronic Precision Shift
- Steering-column paddle shifters
- MultiPro six-function tailgate (Primary Gate, Primary Gate Load Stop, Easy Access, Full-Width Step, Inner Gate Load Stop, Inner Gate with Work Surface)
Driver Assistance
- Terrain Mode for low-speed off-road control with one-pedal rock crawling using the accelerator
- Off-Road drive mode via two-speed transfer case selectable modes
- IntelliBeam automatic high-beam headlamps (GMC Pro Safety)
- Lane Keep Assist with Lane Departure Warning (GMC Pro Safety)
- Forward Collision Alert and Following Distance Indicator (GMC Pro Safety)
- Automatic Emergency Braking and Front Pedestrian Braking (GMC Pro Safety)
Entertainment
- 13.4" diagonal Premium GMC Infotainment System (standard on AT4X)
- 12-speaker Bose Premium Series audio system with Centerpoint surround sound
- MultiPro Audio System by KICKER integrated with the MultiPro tailgate (standard on AT4X)
Exterior
- AEV stamped-steel front bumper with front winch capability
- AEV hot-stamped boron steel front approach skid plate
- Redesigned front fascia and grille with gloss-black upper surround and Dark Nickel inserts
- Split signature C-shaped LED headlamp design
- 18" 12-spoke high-gloss black aluminum wheels with laser etching and AEV center cap
- 33" Goodyear Wrangler Territory mud-terrain tires
- Protected dual-outlet exhaust
- Six-function MultiPro tailgate with MultiPro Audio System by KICKER (standard on AT4X)
- Ground clearance approximately 11.1 in.; max front approach angle 32.5°; max rear departure angle 23.4°
- Cargo bed volume 62.9 cu. ft. (short bed)
Interior
- Exclusive Obsidian Rush interior
- Full-grain leather seating with red and white double-needle stitching and technical-grain leather accents
- Premium leather-trimmed instrument panel and door panels with black-finished authentic Vanta Ash wood trim
- Metal AT4X badging on front seatbacks and doors
- Premium microsuede headliner, sun visors, and pillars
- Heated and ventilated 16-way power-adjustable front seats with massage feature
- Etched stainless-steel speaker grille details
- 12.3" diagonal reconfigurable multicolor Driver Information Center
- Seating for up to 5
Mechanical & Performance
- 6.2L EcoTec3 V8 gas engine (420 hp / 460 lb-ft of torque) — standard on AT4X
- 10-speed automatic transmission
- Dynamic Fuel Management
- Four-wheel drive; Crew Cab short-bed configuration only
- Electronic Precision Shift with steering-column paddle shifters
- Two-speed transfer case with selectable off-road modes including Terrain Mode (one-pedal low-speed rock crawling) and Off-Road mode
- Front and rear electronic-locking differentials
- Factory-installed 2" suspension lift
- Advanced off-road suspension with Multimatic DSSV spool-valve dampers (three separate spool valves and three connected chambers)
- Uniquely tuned springs to increase maximum front and rear suspension travel
- Specific off-road chassis and tuning
- Large steel transfer case skid plate
- Max trailering capacity up to 8,900 lbs (AT4X)
- Max payload up to 1,290 lbs (per GMC press materials)
- EPA-estimated 14 city / 17 highway mpg with mud-terrain tires
Safety & Security
- GMC Pro Safety suite (standard on 2023 Sierra models): Automatic Emergency Braking; Forward Collision Alert; Front Pedestrian Braking; Lane Keep Assist with Lane Departure Warning; Following Distance Indicator; IntelliBeam auto high beams
- 3 years of OnStar Safety & Security Plan (includes Automatic Crash Response, Emergency Services, Crisis Assist, Roadside Assistance, Stolen Vehicle Assistance, and OnStar Guardian app access)
- 3 years of Connected Vehicle Plan (in-vehicle apps connectivity, Remote Access Plan, and in-vehicle Wi-Fi hotspot data)
Warranty
- 3-year/36,000-mile Bumper-to-Bumper Limited Warranty (whichever comes first; no deductible)
- 6-year/100,000-mile rust-through corrosion coverage (whichever comes first)
- 5-year/60,000-mile transferable Powertrain Limited Warranty (whichever comes first)
- 24/7 Roadside Assistance and Courtesy Transportation for the duration of the Powertrain Limited Warranty