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2021 GMC Sierra 2500 AT4 specs & colors

MSRP
2WD Reg Cab 142"
$36,200
2WD Double Cab 149"
$38,800
2WD Double Cab 162"
$39,000
4WD Reg Cab 142"
$39,000
2WD Crew Cab 159"
$40,600
2WD Crew Cab 172"
$40,800
2WD Reg Cab 142" SLE
$41,600
4WD Double Cab 149"
$41,600
4WD Double Cab 162"
$41,800
4WD Crew Cab 159"
$43,400
2WD Double Cab 149" SLE
$43,600
4WD Crew Cab 172"
$43,600
2WD Double Cab 162" SLE
$43,800
4WD Reg Cab 142" SLE
$44,400
2WD Crew Cab 159" SLE
$45,400
2WD Crew Cab 172" SLE
$45,600
4WD Double Cab 149" SLE
$46,400
4WD Double Cab 162" SLE
$46,600
4WD Crew Cab 159" SLE
$48,200
4WD Crew Cab 172" SLE
$48,400
2WD Double Cab 149" SLT
$51,600
2WD Double Cab 162" SLT
$51,800
2WD Crew Cab 159" SLT
$53,400
2WD Crew Cab 172" SLT
$53,600
4WD Double Cab 149" SLT
$54,400
4WD Double Cab 162" SLT
$54,600
4WD Crew Cab 159" SLT
$56,200
4WD Crew Cab 172" SLT
$56,400
4WD Crew Cab 159" AT4
$59,100
4WD Crew Cab 172" AT4
$59,300
4WD Crew Cab 159" Denali
$65,500
4WD Crew Cab 172" Denali
$65,700
$59,300
Starting MSRP
Current listing price
2021 GMC Sierra 2500 AT4

Showing the 2021 GMC Sierra 2500 4WD Crew Cab 172" AT4

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Key specs

  • 4-door
  • 5 seats
  • 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
  • 0 combined MPG
  • 235.5" length, 79.94" height
  • Four Wheel Drive

Color options

Exterior

Oxford Brown Metallic

Interior
Jet Black with Kalahari accents

Packages

  • Driver Alert Package II

    $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.
  • AT4 Preferred Equipment Group

    $0

    Starting MSRP

    • includes standard equipment
  • Snow Plow Prep/Camper Package

    $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 provisions
  • AT4 Preferred Package

    $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
  • AT4 Premium Plus Package

    $7,975

    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) AT4 high clearance step
    • LPO
  • Gooseneck / 5th Wheel Package

    $795

    Starting MSRP

    • includes (Z6A) Gooseneck / 5th Wheel Prep Package.(Includes (UVN) Bed View Camera.
  • Driver Alert Package I

    $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.
  • Technology Package

    $1,475

    Starting MSRP

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

Specifications

Highlights

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

Brakes

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

Electrical

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

Engine

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

Entertainment

Bluetooth®
Optional
Bluetooth®
Standard

Measurements

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

Safety

Stability Control
Standard
Backup Camera
Optional

Steering

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

Suspension

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

Tires & Wheels

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

Weight & Capacity

Maximum Trailering Capacity
18,500 lbs
Fifth Wheel Hitch - Max Tongue Wt.
N/A
Fifth Wheel Hitch - Max Trailer Wt.
N/A
Wt Distributing Hitch - Max Tongue Wt.
1,450 lbs
Wt Distributing Hitch - Max Trailer Wt.
14,500 lbs
Dead Weight Hitch - Max Tongue Wt.
500 lbs
Dead Weight Hitch - Max Trailer Wt.
5,000 lbs
Gross Combined Wt Rating
24,000 lbs
Maximum Payload Capacity
4,109 lbs
As Spec'd Payload
3,856 lbs
As Spec'd Curb Weight
6,994 lbs
Option Weight - Rear
0 lbs
Option Weight - Front
0 lbs
Curb Weight - Rear
2,822 lbs
Curb Weight - Front
3,919 lbs
Gross Axle Weight Rating
11,800 lbs
Curb Weight
6,741 lbs
Total Option Weight
0 lbs
Gross Vehicle Weight Rating
10,850 lbs
Base Curb Weight
N/A
Fuel Tank Capacity, Approx
36 gal
Aux Fuel Tank Capacity, Approx
N/A

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2021 GMC Sierra 2500 AT4

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