GMC Sierra 2500 vs. GMC Sierra 3500
$47,300
$48,500
Highlights
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Starting MSRP |
$47,300
|
$48,500
|
| Towing Capacity |
14,500 lbs
|
20,000 lbs
|
| Bed Length |
98 in
|
98 in
|
| Engine Type |
Gas V8
|
Gas V8
|
| Horsepower |
|
|
| Drive Type |
Rear Wheel Drive
|
Rear Wheel Drive
|
| Seating Capacity |
2
|
2
|
| Basic Warranty |
3 yr / 36,000 mi
|
3 yr / 36,000 mi
|
Engine
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Engine Type |
Gas V8
|
Gas V8
|
| Displacement |
6.6L/-TBD-
|
6.6L/-TBD-
|
| SAE Net Horsepower @ RPM |
401 @ 5200
|
401 @ 5200
|
| SAE Net Torque @ RPM |
464 @ 4000
|
464 @ 4000
|
| Transmission Options |
|
|
| Total Cooling System Capacity |
N/A
|
N/A
|
Tires & Wheels
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Front Tire Size |
LT245/75R17E
|
LT275/70R18
|
| Rear Tire Size |
LT245/75R17E
|
LT275/70R18
|
| Spare Tire Size |
LT245/75R17E
|
LT275/70R18
|
| Front Wheel Size |
17 x -TBD- in
|
18 x 8 in
|
| Rear Wheel Size |
17 x -TBD- in
|
18 x 8 in
|
| Spare Wheel Size |
17 x -TBD- in
|
18 x 8 in
|
| Front Wheel Material |
Steel
|
Steel
|
| Rear Wheel Material |
Steel
|
Steel
|
| Spare Wheel Material |
N/A
|
Steel
|
Suspension
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Suspension Type - Front |
Short/Long Arm w/Torsion Bar
|
Short/Long Arm w/Torsion Bars
|
| Suspension Type - Rear |
2-Stage Multi-Leaf
|
3-Stage Multi-Leaf
|
| Axle Type - Front |
N/A
|
Independent
|
| Axle Type - Rear |
N/A
|
N/A
|
Steering
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Steering Type |
Pwr Recirculating Ball
|
Pwr Recirculating Ball
|
| Steering Ratio (:1), Overall |
N/A
|
N/A
|
| Turning Diameter - Curb to Curb |
47 ft
|
47 ft
|
| Turning Diameter - Wall to Wall |
N/A
|
N/A
|
Measurements
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Ext'd Cab Cargo Volume |
N/A
|
N/A
|
| Passenger Capacity |
3
|
3
|
| Front Head Room |
43 in
|
43 in
|
| Front Leg Room |
45 in
|
45 in
|
| Front Shoulder Room |
66 in
|
66 in
|
| Front Hip Room |
61 in
|
61 in
|
| Second Head Room |
N/A
|
N/A
|
| Second Leg Room |
N/A
|
N/A
|
| Second Shoulder Room |
N/A
|
N/A
|
| Second Hip Room |
N/A
|
N/A
|
| Wheelbase |
142 in
|
142 in
|
| Length, Overall w/o rear bumper |
N/A
|
N/A
|
| Length, Overall w/rear bumper |
N/A
|
N/A
|
| Length, Overall |
236 in
|
236 in
|
| Width, Max w/o mirrors |
82 in
|
82 in
|
| Height, Overall |
80 in
|
81 in
|
| Overhang, Front |
N/A
|
N/A
|
| Overhang, Rear w/o bumper |
N/A
|
N/A
|
| Cab to End of Frame |
N/A
|
N/A
|
| Ground to Top of Load Floor |
N/A
|
N/A
|
| Ground Clearance, Front |
10 in
|
11 in
|
| Ground Clearance, Rear |
10 in
|
11 in
|
| Cargo Box Length @ Floor |
98 in
|
98 in
|
| Cargo Box Width @ Top, Rear |
N/A
|
N/A
|
| Cargo Box Width @ Floor |
71 in
|
71 in
|
| Cargo Box Width @ Wheelhousings |
51 in
|
51 in
|
| Cargo Box (Area) Height |
21 in
|
21 in
|
| Tailgate Width |
N/A
|
N/A
|
| Cargo Volume |
84 ft³
|
84 ft³
|
Weight & Capacity
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Gross Vehicle Weight Rating |
10,000 lbs
|
10,950 lbs
|
| Total Option Weight |
0 lbs
|
0 lbs
|
| Curb Weight |
6,074 lbs
|
6,211 lbs
|
| Gross Axle Weight Rating |
10,790 lbs
|
11,650 lbs
|
| Base Curb Weight |
N/A
|
N/A
|
| Curb Weight - Front |
3,471 lbs
|
3,545 lbs
|
| Curb Weight - Rear |
2,603 lbs
|
2,666 lbs
|
| Option Weight - Front |
0 lbs
|
0 lbs
|
| Option Weight - Rear |
0 lbs
|
0 lbs
|
| As Spec'd Curb Weight |
6,074 lbs
|
6,211 lbs
|
| As Spec'd Payload |
3,926 lbs
|
4,739 lbs
|
| Maximum Payload Capacity |
3,926 lbs
|
4,739 lbs
|
| Gross Combined Wt Rating |
24,500 lbs
|
24,000 lbs
|
| Dead Weight Hitch - Max Trailer Wt. |
5,000 lbs
|
5,000 lbs
|
| Dead Weight Hitch - Max Tongue Wt. |
500 lbs
|
500 lbs
|
| Wt Distributing Hitch - Max Trailer Wt. |
14,500 lbs
|
14,500 lbs
|
| Wt Distributing Hitch - Max Tongue Wt. |
1,450 lbs
|
1,450 lbs
|
| Fifth Wheel Hitch - Max Trailer Wt. |
18,700 lbs
|
19,080 lbs
|
| Fifth Wheel Hitch - Max Tongue Wt. |
4,675 lbs
|
4,770 lbs
|
| Maximum Trailering Capacity |
14,500 lbs
|
20,000 lbs
|
| Fuel Tank Capacity, Approx |
36 gal
|
36 gal
|
| Aux Fuel Tank Capacity, Approx |
N/A
|
N/A
|
Safety
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Backup Camera |
Standard
|
Standard
|
| Lane Departure Warning |
Standard
|
Standard
|
| Stability Control |
Standard
|
Standard
|
| Navigation System |
Standard
|
Standard
|
Entertainment
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Bluetooth® |
Standard
|
Standard
|
Electrical
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Cold Cranking Amps @ 0° F (Primary) |
720
|
720
|
| Maximum Alternator Capacity (amps) |
170
|
170
|
Brakes
| 2026 GMC Sierra 2500 | 2026 GMC Sierra 3500 | |
|---|---|---|
| Brake Type |
Pwr
|
Pwr
|
| Brake ABS System |
4-Wheel
|
4-Wheel
|
| Brake ABS System (Second Line) |
N/A
|
N/A
|
| Disc - Front (Yes or ) |
Yes
|
Yes
|
| Disc - Rear (Yes or ) |
Yes
|
Yes
|
| Front Brake Rotor Diam x Thickness |
14 x 1.6 in
|
14 x 1.6 in
|
| Rear Brake Rotor Diam x Thickness |
14.1 x 1.3 in
|
14.1 x 1.3 in
|
| Drum - Rear (Yes or ) |
N/A
|
N/A
|
FAQ
Which is more fuel efficient, the 2026 GMC Sierra 2500 or the 2026 GMC Sierra 3500?
The 2026 GMC Sierra 2500 and the 2026 GMC Sierra 3500 both get 0 MPG combined.
Which car is cheaper, the 2026 GMC Sierra 2500 or the 2026 GMC Sierra 3500?
The 2026 GMC Sierra 2500 is cheaper than the 2026 GMC Sierra 3500 with a $47,300 starting MSRP versus a $48,500 starting MSRP.
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