Skip to main content

2023 GMC Sierra 2500 AT4 specs & colors

MSRP
2WD Reg Cab 142" Pro
$42,200
2WD Double Cab 149" Pro
$44,800
2WD Double Cab 162" Pro
$45,000
4WD Reg Cab 142" Pro
$45,000
2WD Crew Cab 159" Pro
$46,600
2WD Crew Cab 172" Pro
$46,800
4WD Double Cab 149" Pro
$47,600
4WD Double Cab 162" Pro
$47,800
2WD Reg Cab 142" SLE
$49,000
4WD Crew Cab 159" Pro
$49,400
4WD Crew Cab 172" Pro
$49,600
2WD Double Cab 149" SLE
$51,000
2WD Double Cab 162" SLE
$51,200
4WD Reg Cab 142" SLE
$51,800
2WD Crew Cab 159" SLE
$52,800
2WD Crew Cab 172" SLE
$53,000
4WD Double Cab 149" SLE
$53,800
4WD Double Cab 162" SLE
$54,000
4WD Crew Cab 159" SLE
$55,600
4WD Crew Cab 172" SLE
$55,800
2WD Double Cab 149" SLT
$58,600
2WD Double Cab 162" SLT
$58,800
2WD Crew Cab 159" SLT
$60,400
2WD Crew Cab 172" SLT
$60,600
4WD Double Cab 149" SLT
$61,400
4WD Double Cab 162" SLT
$61,600
4WD Crew Cab 159" SLT
$63,200
4WD Crew Cab 172" SLT
$63,400
4WD Crew Cab 159" AT4
$66,600
4WD Crew Cab 172" AT4
$66,800
4WD Crew Cab 159" Denali
$73,100
4WD Crew Cab 172" Denali
$73,300
$66,800
Starting MSRP
Current listing price
2023 GMC Sierra 2500 AT4

Showing the 2023 GMC Sierra 2500 4WD Crew Cab 172" AT4

Shop Now

Key specs

Color options

Interior
Jet Black with Kalahari accents

Packages

  • $795

    Starting MSRP

    • includes (Z6A) Gooseneck / 5th Wheel Prep Package.(Includes (UVN) Bed View Camera.
  • $1,475

    Starting MSRP

    • includes (DRZ) Rear Camera Mirror and (UV6) Multi-color 15" Diagonal Head-Up DisplayIncludes (UHS) 8" Digital Driver information Center.
  • $890

    Starting MSRP

    • includes (UD5) Front and Rear Park Assist
    • (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert(Includes Perimeter Lighting.
  • $2,075

    Starting MSRP

    • includes (UVN) Bed View Camera
    • (UVS) HD Surround Vision with Two Trailer View Camera Provisions
    • (UG1) Universal Home Remote
    See more detail
    • includes (UVN) Bed View Camera
    • (UVS) HD Surround Vision with Two Trailer View Camera Provisions
    • (UG1) Universal Home Remote
    • (A48) rear sliding power window
    • (IOT) 8" diagonal Premium GMC Infotainment with navigation
    • (UQA) Bose Premium Audio System
    • (U01) Roof Marker Lamps and (K4C) Wireless Charging
  • $645

    Starting MSRP

    • includes (UEU) Forward Collision Alert
    • (UFL) Lane Departure Warning
    • (UHY) Automatic Emergency Braking
    See more detail
    • includes (UEU) Forward Collision Alert
    • (UFL) Lane Departure Warning
    • (UHY) Automatic Emergency Braking
    • (TQ5) IntelliBeam and (UE4) Following Distance IndicatorIncludes (HS1) Safety Alert Seat.
  • $8,075

    Starting MSRP

    • includes (PDO) AT4 Preferred Package
    • (PQB) Driver Alert Package I
    • (PDJ) Driver Alert II
    See more detail
    • includes (PDO) AT4 Preferred Package
    • (PQB) Driver Alert Package I
    • (PDJ) Driver Alert II
    • (PYU) 20" (50.8 cm) machined aluminum wheels with high gloss Black accents
    • (CF5) power sunroof
    • (CWM) Technology Package and (VXW) Off-Road High clearance step
    • LPO
  • $0

    Starting MSRP

    • includes standard equipment
  • $150

    Starting MSRP

    • includes (KW5) 220-amp alternator
    • includes increased front GAWR on Heavy Duty models
    • (NZZ) skid plates (transfer case and oil pan)
    See more detail
    • includes (KW5) 220-amp alternator
    • includes increased front GAWR on Heavy Duty models
    • (NZZ) skid plates (transfer case and oil pan)
    • pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage
    • recommend ordering (UY2) Trailering wiring provisionsIncludes (KW5) 220-amp alternator and is upgradeable to (KHF) Dual alternators (220-amp primary
    • 170-amp auxiliary).

Specifications

Highlights

Gas V8
Engine Type
-
MPG
401 hp
445 hp
Horsepower
5
Seating Capacity

Brakes

N/A
Drum - Rear (Yes or )
14.1 x 1.3 in
Rear Brake Rotor Diam x Thickness
14 x 1.6 in
Front Brake Rotor Diam x Thickness
Yes
Disc - Rear (Yes or )
Yes
Disc - Front (Yes or )
N/A
Brake ABS System (Second Line)
4-Wheel
Brake ABS System
Pwr
Brake Type

Electrical

720
Cold Cranking Amps @ 0° F (Primary)
170
Maximum Alternator Capacity (amps)

Engine

Gas V8
Engine Type
6.6L/-TBD-
Displacement
401 @ 5200
SAE Net Horsepower @ RPM
464 @ 4000
SAE Net Torque @ RPM
6-Speed A/T
10-Speed A/T
A/T
Transmission Options
-
MPG
N/A
Total Cooling System Capacity

Entertainment

Optional
Bluetooth®
Standard
Bluetooth®

Measurements

5
Passenger Capacity
66 in
Front Shoulder Room
61 in
Front Hip Room
40 in
Second Head Room
43 in
Second Leg Room
65 in
Second Shoulder Room
60 in
Second Hip Room
172 in
Wheelbase
N/A
Length, Overall w/o rear bumper
N/A
Length, Overall w/rear bumper
266 in
Length, Overall
82 in
Width, Max w/o mirrors
80 in
Height, Overall
N/A
Overhang, Front
N/A
Overhang, Rear w/o bumper
43 in
Front Head Room
N/A
Cab to End of Frame
N/A
Ground to Top of Load Floor
10 in
Ground Clearance, Front
10 in
Ground Clearance, Rear
98 in
Cargo Box Length @ Floor
N/A
Cargo Box Width @ Top, Rear
71 in
Cargo Box Width @ Floor
51 in
Cargo Box Width @ Wheelhousings
21 in
Cargo Box (Area) Height
N/A
Tailgate Width
84 ft³
Cargo Volume
N/A
Ext'd Cab Cargo Volume
45 in
Front Leg Room

Safety

Standard
Stability Control
Optional
Backup Camera

Steering

N/A
Turning Diameter - Wall to Wall
57 ft
Turning Diameter - Curb to Curb
N/A
Steering Ratio (:1), Overall
Pwr Recirculating Ball
Steering Type

Suspension

Short/Long Arm
Suspension Type - Front
Multi-Leaf Springs
Suspension Type - Rear
N/A
Axle Type - Front
N/A
Axle Type - Rear

Tires & Wheels

LT275/70R18
Spare Tire Size
LT275/70R18E
Rear Tire Size
LT275/70R18E
Front Tire Size
Aluminum
Rear Wheel Material
Aluminum
Front Wheel Material
18 x -TBD- in
Spare Wheel Size
18 x -TBD- in
Rear Wheel Size
18 x -TBD- in
Front Wheel Size
Steel
Spare Wheel Material

Weight & Capacity

7,036 lbs
As Spec'd Curb Weight
3,814 lbs
As Spec'd Payload
4,096 lbs
Maximum Payload Capacity
24,000 lbs
Gross Combined Wt Rating
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
500 lbs
Dead Weight Hitch - Max Tongue Wt.
14,500 lbs
Wt Distributing Hitch - Max Trailer Wt.
1,450 lbs
Wt Distributing Hitch - Max Tongue Wt.
N/A
Fifth Wheel Hitch - Max Trailer Wt.
N/A
Fifth Wheel Hitch - Max Tongue Wt.
18,500 lbs
Maximum Trailering Capacity
N/A
Aux Fuel Tank Capacity, Approx
36 gal
Fuel Tank Capacity, Approx
N/A
Base Curb Weight
3,926 lbs
Curb Weight - Front
2,828 lbs
Curb Weight - Rear
0 lbs
Option Weight - Front
0 lbs
Option Weight - Rear
11,800 lbs
Gross Axle Weight Rating
6,754 lbs
Curb Weight
0 lbs
Total Option Weight
10,850 lbs
Gross Vehicle Weight Rating

Compare trims

2023 GMC Sierra 2500 AT4

Wondering which trim is right for you?