2023 GMC Sierra 1500 AT4

Specifications, live market data, colors, and factory features.

676 for sale right now

$32,623 – $75,420

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Specifications

MPG Combined

Performance

Engine: 3.0L I6 LZ0
Transmission: Automatic
Drivetrain: 4WD

Fuel & Efficiency

Fuel: Diesel
MPG City: 22 mpg
MPG Highway: 27 mpg
MPG Combined: 24 mpg

Body & Practicality

Body Style: Truck
Doors: 4

Colors

Factory colors on 2023 GMC Sierra 1500 AT4s for sale now.

Exterior

Summit White(white)83
Onyx Black(black)66
Titanium Rush Metallic(silver)25
Sterling Metallic(silver)17
Dynamic Blue Metallic(blue)16
Volcanic Red Tintcoat(red)12
Desert Sand Metallic(brown)10
Sterling(silver)7
Volcanic Red(red)7
White5

Interior

Jet Black w/Kalahari Accents(black)155
Jet Black(black)84
Jet Black With Kalahari Accents(black)10
Jet Black with Kalahari accents(black)6
Black5
Jet Black With Kalahari Accents, Perforated Leather Front Seat T(black)2
JET BLACK WITH KALAHARI(black)1
Jet Black W/Kalahari Accents(black)1
Jet Black W/Kalahari Acce(black)1

Live Market Data

Computed from active 2023 GMC Sierra 1500 AT4 listings nationwide, updated continuously.

For sale now676

Median price$47,183

Average price$47,669

Price range$32,623 – $75,420

Avg. days on market41

Avg. mileage57,137 mi

New / Used0 / 500

Price Distribution

Price vs. Mileage

Latest AT4 Listings

The newest 2023 GMC Sierra 1500 AT4s on the market.

View all 676 →

Used 2023 GMC Sierra 1500

AT4

$52,985

56,140 mi

Est. $768/mo*

2 days at this dealer

BrownJet Black

Dodge Chrysler Jeep of Franklin

Franklin, TN

Used 2023 GMC Sierra 1500

AT4

$44,160

64,221 mi

Est. $643/mo*

2 days at this dealer

TitaniumJet Black

Mark Christopher Chevrolet Buick GMC Cadillac

Ontario, CA

Certified 2023 GMC Sierra 1500

AT4

$69,995

34,625 mi

Est. $1,011/mo*

3 days at this dealer

Silver

All American Ford Paramus

Paramus, NJ

Used 2023 GMC Sierra 1500

AT4

$49,025

30,570 mi

Est. $712/mo*

3 days at this dealer

Onyx BlackBlack

Dave Gill Chevrolet

Columbus, OH

Used 2023 GMC Sierra 1500

AT4

$49,803

47,674 mi

Est. $723/mo*

4 days at this dealer

SilverBlack

Jones Chevrolet Humboldt

Humboldt, TN

Used 2023 GMC Sierra 1500

AT4

$36,678

85,998 mi

Est. $536/mo*

4 days at this dealer

Black

Findlay Chrysler

Findlay, OH

Used 2023 GMC Sierra 1500

AT4

$40,179

109,573 mi

Est. $586/mo*

4 days at this dealer

Onyx BlackJet Black

Harbin Chevrolet

Scottsboro, AL

Used 2023 GMC Sierra 1500

AT4

$54,240

22,264 mi

Est. $786/mo*

4 days at this dealer

Red

Astorg Ford

Parkersburg, WV

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The median 2023 GMC Sierra 1500 AT4 lists for $47,183 today.

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Factory Features

Standard equipment from the window sticker, reviewed for accuracy.

Comfort & Convenience

Keyless Open and remote start
120-volt power outlets (cargo bed and instrument panel)
Power front windows with express-up/down
Auto-dimming rearview mirror
Push-button start

Driver Assistance

Automatic Emergency Braking
Forward Collision Alert
Front Pedestrian Braking
Lane Keep Assist with Lane Departure Warning
Following Distance Indicator
IntelliBeam automatic high-beam headlamps

Entertainment

13.4-inch diagonal color touchscreen
GMC Premium Infotainment System with Google built-in
Wireless Apple CarPlay and wireless Android Auto (compatible phones)
12.3-inch diagonal digital Driver Information Center
Bose premium sound system
SiriusXM-capable radio (trial included; subscription sold separately)
3 years of GMC Connected Services
3 years of OnStar Premium Plan (Remote Access Plan, Safety & Security Plan, and unlimited Wi-Fi data plan; see OnStar for details)

Exterior

GMC MultiPro multi-function tailgate
Spray-on bedliner with AT4 logo
LED headlamps and taillamps
LED daytime running lamps
LED fog lamps
LED cargo-area lighting
Power-folding, heated outside mirrors with auto-dimming
Rain-sensing front wipers
Dual exhaust with premium tips
18 x 8.5-inch aluminum wheels with all-terrain tires (20-inch wheels are optional)

Interior

Jet Black interior with Kalahari accents (standard AT4 interior)
Dual-zone automatic climate control
10-way power front bucket seats
Heated front seats and heated rear outer seats
Ventilated front seats
Rear 60/40 folding bench seat with storage package
Driver seat and outside-mirror memory
Power tilt-and-telescoping steering column
Leather-wrapped heated steering wheel
Premium floor liners

Mechanical & Performance

Enhanced Duramax 3.0L turbo-diesel I6 (305 hp / 495 lb-ft) — factory-standard engine on AT4 (6.2L V8 available only)
10-speed automatic transmission
4WD with 2-speed AutoTrac transfer case
Auto-locking rear differential
Off-road suspension with 2-inch factory lift and monotube shocks
Underbody skid plates
Hill Descent Control
StabiliTrak electronic stability control with Trailer Sway Control and Hill Start Assist
Trailering Package
Integrated trailer brake controller
3.23 rear axle ratio (standard equipment group)

Safety & Security

GMC Pro Safety suite (see Driver Assistance for component list)
Teen Driver mode
Tire Pressure Monitoring System with Tire Fill Alert
Safety Alert Seat
3 years of OnStar Safety & Security Plan coverage (included with OnStar Premium Plan)

Warranty

3-year/36,000-mile Bumper-to-Bumper Limited Warranty
5-year/100,000-mile Powertrain Limited Warranty (Duramax diesel powertrain coverage as shown on AT4 Monroney)
5-year/100,000-mile Roadside Assistance and Courtesy Transportation
First scheduled maintenance visit (whichever comes first with applicable mileage/time limits; see GMC.com or dealer for terms)
6-year/100,000-mile rust-through corrosion perforation coverage (GM/GMC new-vehicle limited warranty terms)