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2026 GMC Sierra 2500 SLT 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
$65,200
Starting MSRP
Current listing price
2026 GMC Sierra 2500 SLT

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

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Key specs

Color options

Interior
Ebony
Gideon / Very Dark Atmosphere

Packages

  • $0

    Starting MSRP

    • includes standard equipment

Specifications

Highlights

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

Brakes

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

Electrical

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

Engine

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

Entertainment

Standard
Bluetooth®
Optional
Bluetooth®

Measurements

N/A
Overhang, Front
80 in
Height, Overall
82 in
Width, Max w/o mirrors
251 in
Length, Overall
N/A
Length, Overall w/rear bumper
N/A
Length, Overall w/o rear bumper
159 in
Wheelbase
60 in
Second Hip Room
65 in
Second Shoulder Room
43 in
Second Leg Room
40 in
Second Head Room
61 in
Front Hip Room
66 in
Front Shoulder Room
45 in
Front Leg Room
43 in
Front Head Room
N/A
Ext'd Cab Cargo Volume
70 ft³
Cargo Volume
N/A
Tailgate Width
21 in
Cargo Box (Area) Height
52 in
Cargo Box Width @ Wheelhousings
71 in
Cargo Box Width @ Floor
N/A
Cargo Box Width @ Top, Rear
82 in
Cargo Box Length @ Floor
10 in
Ground Clearance, Front
N/A
Ground to Top of Load Floor
N/A
Cab to End of Frame
N/A
Overhang, Rear w/o bumper
10 in
Ground Clearance, Rear
6
Passenger Capacity

Safety

Standard
Navigation System
Standard
Lane Departure Warning
Optional
Backup Camera
Standard
Stability Control

Steering

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

Suspension

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

Tires & Wheels

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

Weight & Capacity

36 gal
Fuel Tank Capacity, Approx
N/A
Aux Fuel Tank Capacity, Approx
10,850 lbs
Gross Vehicle Weight Rating
0 lbs
Total Option Weight
6,825 lbs
Curb Weight
N/A
Gross Axle Weight Rating
20,000 lbs
Maximum Trailering Capacity
4,600 lbs
Fifth Wheel Hitch - Max Tongue Wt.
18,380 lbs
Fifth Wheel Hitch - Max Trailer Wt.
1,600 lbs
Wt Distributing Hitch - Max Tongue Wt.
16,000 lbs
Wt Distributing Hitch - Max Trailer Wt.
500 lbs
Dead Weight Hitch - Max Tongue Wt.
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
26,000 lbs
Gross Combined Wt Rating
4,025 lbs
Maximum Payload Capacity
4,025 lbs
As Spec'd Payload
6,825 lbs
As Spec'd Curb Weight
0 lbs
Option Weight - Rear
0 lbs
Option Weight - Front
2,812 lbs
Curb Weight - Rear
4,013 lbs
Curb Weight - Front
N/A
Base Curb Weight

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2026 GMC Sierra 2500 SLT

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