Skip to main content

2021 GMC Sierra 3500 Denali specs & colors

MSRP
2WD Reg Cab 142"
$37,400
2WD Double Cab 162"
$40,200
4WD Reg Cab 142"
$40,200
2WD Crew Cab 159"
$41,800
2WD Crew Cab 172"
$42,000
2WD Reg Cab 142" SLE
$42,800
4WD Double Cab 162"
$43,000
4WD Crew Cab 159"
$44,600
4WD Crew Cab 172"
$44,800
2WD Double Cab 162" SLE
$45,000
4WD Reg Cab 142" SLE
$45,600
2WD Crew Cab 159" SLE
$46,600
2WD Crew Cab 172" SLE
$46,800
4WD Double Cab 162" SLE
$47,800
4WD Crew Cab 159" SLE
$49,400
4WD Crew Cab 172" SLE
$49,600
2WD Crew Cab 159" SLT
$54,600
2WD Crew Cab 172" SLT
$54,800
4WD Crew Cab 159" SLT
$57,400
4WD Crew Cab 172" SLT
$57,600
4WD Crew Cab 159" AT4
$60,300
4WD Crew Cab 172" AT4
$60,500
4WD Crew Cab 159" Denali
$66,700
4WD Crew Cab 172" Denali
$66,900
$66,900
Starting MSRP
Current listing price
2021 GMC Sierra 3500 Denali

Showing the 2021 GMC Sierra 3500 4WD Crew Cab 172" Denali

Shop Now

Key specs

  • 4-door
  • 5 seats
  • 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
  • 0 combined MPG
  • - TBD -" length, 80.24" height
  • Four Wheel Drive

Color options

Exterior

Manhattan Noir Metallic

Interior
Jet Black
Dark Walnut / Dark Ash Grey

Packages

  • Denali Preferred Equipment Group

    $0

    Starting MSRP

    • includes standard equipment

Specifications

Highlights

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

Brakes

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

Electrical

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

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

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

Safety

Backup Camera
Optional
Stability Control
Standard
Lane Departure Warning
Optional
Rear Cross Traffic Alert
Optional

Steering

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

Suspension

Suspension Type - Front
Short/Long Arm w/Torsion Bars
Axle Type - Rear
N/A
Suspension Type - Rear
3-Stage Multi-Leaf
Axle Type - Front
Independent

Tires & Wheels

Spare Wheel Material
Steel
Rear Wheel Size
20 x 8.5 in
Front Wheel Size
20 x 8.5 in
Rear Wheel Material
Aluminum
Rear Tire Size
LT275/65R20
Spare Tire Size
LT275/70R18
Spare Wheel Size
18 x 8 in
Front Tire Size
LT275/65R20
Front Wheel Material
Aluminum

Weight & Capacity

Curb Weight
7,172 lbs
Wt Distributing Hitch - Max Trailer Wt.
14,500 lbs
Fifth Wheel Hitch - Max Tongue Wt.
4,022 lbs
Dead Weight Hitch - Max Tongue Wt.
500 lbs
Maximum Payload Capacity
4,328 lbs
Gross Axle Weight Rating
12,450 lbs
Wt Distributing Hitch - Max Tongue Wt.
1,450 lbs
Gross Vehicle Weight Rating
11,500 lbs
Fifth Wheel Hitch - Max Trailer Wt.
16,090 lbs
Curb Weight - Front
4,046 lbs
Dead Weight Hitch - Max Trailer Wt.
5,000 lbs
Curb Weight - Rear
3,126 lbs
Base Curb Weight
N/A
Option Weight - Front
0 lbs
Option Weight - Rear
0 lbs
Total Option Weight
0 lbs
Aux Fuel Tank Capacity, Approx
N/A
As Spec'd Payload
3,962 lbs
As Spec'd Curb Weight
7,538 lbs
Maximum Trailering Capacity
20,000 lbs
Fuel Tank Capacity, Approx
36 gal
Gross Combined Wt Rating
24,000 lbs

Compare trims

2021 GMC Sierra 3500 Denali

Wondering which trim is right for you?