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2026 GMC Sierra 2500 Denali Ultimate specs & colors

MSRP
2WD Reg Cab 142" Pro
$47,000
2WD Double Cab 149" Pro
$48,900
2WD Double Cab 162" Pro
$49,100
4WD Reg Cab 142" Pro
$49,800
2WD Crew Cab 159" Pro
$50,700
2WD Crew Cab 172" Pro
$50,900
4WD Double Cab 149" Pro
$51,700
4WD Double Cab 162" Pro
$51,900
4WD Crew Cab 159" Pro
$53,500
4WD Crew Cab 172" Pro
$53,700
4WD Reg Cab 142" SLE
$54,000
4WD Double Cab 149" SLE
$56,100
4WD Double Cab 162" SLE
$56,300
4WD Crew Cab 159" SLE
$57,900
4WD Crew Cab 172" SLE
$58,100
4WD Crew Cab 159" SLT
$65,200
4WD Crew Cab 172" SLT
$65,500
4WD Crew Cab 159" AT4
$72,200
4WD Crew Cab 172" AT4
$72,400
4WD Crew Cab 159" Denali
$75,200
4WD Crew Cab 172" Denali
$75,400
4WD Crew Cab 159" AT4X
$85,200
4WD Crew Cab 159" Denali Ultimate
$94,200
4WD Crew Cab 172" Denali Ultimate
$94,500
$94,200
Starting MSRP
Current listing price
2026 GMC Sierra 2500 Denali Ultimate

Showing the 2026 GMC Sierra 2500 4WD Crew Cab 159" Denali Ultimate

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Key specs

Color options

Interior
Alpine Umber

Packages

  • $0

    Starting MSRP

    • includes standard equipment

Specifications

Highlights

Turbocharged Diesel V8
Engine Type
-
MPG
470 hp
Horsepower
5
Seating Capacity

Brakes

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

Electrical

730
Cold Cranking Amps @ 0° F (Primary)
220
Maximum Alternator Capacity (amps)

Engine

975 @ 1600
SAE Net Torque @ RPM
Turbocharged Diesel V8
Engine Type
6.6L/-TBD-
Displacement
470 @ 2800
SAE Net Horsepower @ RPM
10-Speed A/T
A/T
Transmission Options
-
MPG
N/A
Total Cooling System Capacity

Entertainment

Standard
Bluetooth®
Optional
Bluetooth®

Measurements

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

Safety

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

Steering

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

Suspension

N/A
Axle Type - Front
Short/Long Arm w/Torsion Bar
Suspension Type - Front
2-Stage Multi-Leaf
Suspension Type - Rear
N/A
Axle Type - Rear

Tires & Wheels

N/A
Spare Wheel Material
LT275/65R20
Front Tire Size
LT275/65R20
Rear Tire Size
20 x -TBD- in
Rear Wheel Size
20 x -TBD- in
Front Wheel Size
18 x -TBD- in
Spare Wheel Size
LT275/70R18
Spare Tire Size
Aluminum
Rear Wheel Material
Aluminum
Front Wheel Material

Weight & Capacity

4,525 lbs
Maximum Payload Capacity
18,500 lbs
Wt Distributing Hitch - Max Trailer Wt.
1,850 lbs
Wt Distributing Hitch - Max Tongue Wt.
4,300 lbs
Fifth Wheel Hitch - Max Tongue Wt.
12,200 lbs
Gross Axle Weight Rating
17,200 lbs
Fifth Wheel Hitch - Max Trailer Wt.
6,825 lbs
As Spec'd Curb Weight
N/A
Aux Fuel Tank Capacity, Approx
500 lbs
Dead Weight Hitch - Max Tongue Wt.
0 lbs
Option Weight - Rear
11,350 lbs
Gross Vehicle Weight Rating
4,525 lbs
As Spec'd Payload
27,500 lbs
Gross Combined Wt Rating
N/A
Base Curb Weight
4,013 lbs
Curb Weight - Front
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
0 lbs
Total Option Weight
20,000 lbs
Maximum Trailering Capacity
6,825 lbs
Curb Weight
0 lbs
Option Weight - Front
36 gal
Fuel Tank Capacity, Approx
2,812 lbs
Curb Weight - Rear

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2026 GMC Sierra 2500 Denali Ultimate

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