2026 GMC Sierra 2500 SLT specs & colors

Crew Cab Pickup

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$65,800

Starting MSRP
Current listing price

2026 GMC Sierra 2500 SLT

Showing the 2026 GMC Sierra 2500 4WD Crew Cab 172" SLT

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Key specs

4-door
5 seats
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
0 combined MPG
Vehicle length and height not available
Four Wheel Drive

Color options

Exterior

Moonstone Gray Metallic

Interior

Ebony

Gideon / Very Dark Atmosphere

Packages

SLT Preferred Equipment Group

$0

Starting MSRP
- includes standard equipment

Specifications

Highlights

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

Brakes

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

Electrical

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

Engine

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

Entertainment

Bluetooth®: Optional
Bluetooth®: Standard

Measurements

Ground Clearance, Rear: 10 in
Passenger Capacity: 6
Ground Clearance, Front: 10 in
Cargo Box Width @ Floor: 71 in
Length, Overall w/rear bumper: N/A
Width, Max w/o mirrors: 82 in
Second Head Room: 40 in
Length, Overall: 267 in
Front Shoulder Room: 66 in
Length, Overall w/o rear bumper: N/A
Cargo Box (Area) Height: 21 in
Overhang, Rear w/o bumper: N/A
Second Leg Room: 43 in
Ext'd Cab Cargo Volume: N/A
Tailgate Width: N/A
Ground to Top of Load Floor: N/A
Wheelbase: 172 in
Overhang, Front: N/A
Cargo Box Width @ Wheelhousings: 51 in
Front Leg Room: 45 in
Second Shoulder Room: 65 in
Cargo Volume: 84 ft³
Cargo Box Length @ Floor: 98 in
Second Hip Room: 60 in
Cab to End of Frame: N/A
Cargo Box Width @ Top, Rear: N/A
Front Hip Room: 61 in
Front Head Room: 43 in
Height, Overall: 80 in

Safety

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

Steering

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

Suspension

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

Tires & Wheels

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

Weight & Capacity

Dead Weight Hitch - Max Tongue Wt.: 500 lbs
Dead Weight Hitch - Max Trailer Wt.: 5,000 lbs
Fuel Tank Capacity, Approx: 36 gal
Gross Axle Weight Rating: 11,800 lbs
Curb Weight: 6,918 lbs
Gross Vehicle Weight Rating: 11,050 lbs
Maximum Trailering Capacity: 20,000 lbs
Option Weight - Rear: 0 lbs
Fifth Wheel Hitch - Max Tongue Wt.: 4,570 lbs
Curb Weight - Front: 4,070 lbs
Wt Distributing Hitch - Max Trailer Wt.: 16,000 lbs
Wt Distributing Hitch - Max Tongue Wt.: 1,600 lbs
As Spec'd Curb Weight: 6,918 lbs
Total Option Weight: 0 lbs
Aux Fuel Tank Capacity, Approx: N/A
As Spec'd Payload: 4,132 lbs
Curb Weight - Rear: 2,848 lbs
Option Weight - Front: 0 lbs
Base Curb Weight: N/A
Gross Combined Wt Rating: 26,000 lbs
Fifth Wheel Hitch - Max Trailer Wt.: 18,280 lbs
Maximum Payload Capacity: 4,132 lbs

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2026 GMC Sierra 2500 SLT

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