GMC Sierra 2500 HD vs GMC Sierra 3500 HD
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 GMC Sierra 3500 HD
Overview
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 HDPro |
|---|---|---|
| Selected trim | Pro | Pro |
| Body style | Truck (Regular Cab) | Truck (Regular Cab) |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | regular unleaded | regular unleaded |
| Transmission | 10-speed shiftable automatic | 10-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2026 |
Pricing & market
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 HDPro |
|---|---|---|
| MSRP | $46,700 (best) | $47,900 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 HDPro |
|---|---|---|
| Fuel tank | 36 gal | 36 gal |
Performance
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 HDPro |
|---|---|---|
| Horsepower | 401 hp | 401 hp |
| Torque | 464 lb-ft | 464 lb-ft |
| Engine size | 6.6 L | 6.6 L |
| Cylinders | V8 | V8 |
Size & capability
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 HDPro |
|---|---|---|
| Seating | 3 seats | 3 seats |
| Doors | 2 | 2 |
| Towing capacity | 14,500 lbs | 14,500 lbs |
| Payload | 3,689 lbs | 4,583 lbs (best) |
| Curb weight | 6,267 lbs (best) | 6,329 lbs |
| Ground clearance | 10.2 in | 11.2 in (best) |
| Wheelbase | 142 in | 142 in |
| Length | 236.3 in | 236.3 in |
| Width | 81.8 in | 81.9 in (best) |
| Height | 79.9 in | 80.9 in (best) |
Safety & recalls
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 HDPro |
|---|---|---|
| Open recalls (YMM scope) | None reported | None reported |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | GMC Sierra 2500 HD | GMC Sierra 3500 HD |
|---|---|---|
| 1 | Pro $46,700 MSRP(Currently comparing) | Pro $47,900 MSRP(Currently comparing) |
| 2 | Pro $48,600 MSRP | Pro $49,300 MSRP |
| 3 | Pro $48,800 MSRP | Pro $50,000 MSRP |
| 4 | Pro $50,400 MSRP | Pro $51,400 MSRP |
| 5 | Pro $50,600 MSRP | Pro $51,600 MSRP |
| 6 | Pro $49,500 MSRP | Pro $51,800 MSRP |
| 7 | Pro $51,400 MSRP | Pro $53,200 MSRP |
| 8 | Pro $51,600 MSRP | Pro $50,700 MSRP |
| 9 | Pro $53,200 MSRP | Pro $52,100 MSRP |
| 10 | Pro $53,400 MSRP | Pro $52,800 MSRP |
| 11 | SLE $53,500 MSRP | Pro $54,200 MSRP |
| 12 | SLE $55,600 MSRP | Pro $54,400 MSRP |
| 13 | SLE $55,800 MSRP | Pro $54,600 MSRP |
| 14 | SLE $57,400 MSRP | Pro $56,000 MSRP |
| 15 | SLE $57,600 MSRP | SLE $54,700 MSRP |
| 16 | SLT $64,700 MSRP | SLE $56,200 MSRP |
| 17 | SLT $65,000 MSRP | SLE $57,000 MSRP |
| 18 | AT4 $71,600 MSRP | SLE $58,400 MSRP |
| 19 | AT4 $71,800 MSRP | SLE $58,600 MSRP |
| 20 | Denali $75,000 MSRP | SLE $58,800 MSRP |
| 21 | Denali $75,200 MSRP | SLE $60,100 MSRP |
| 22 | AT4X $83,700 MSRP | SLT $65,900 MSRP |
| 23 | Denali Ultimate $93,800 MSRP | SLT $66,100 MSRP |
| 24 | Denali Ultimate $94,100 MSRP | SLT $67,500 MSRP |
| 25 | — | AT4 $72,800 MSRP |
| 26 | — | AT4 $73,000 MSRP |
| 27 | — | Denali $76,100 MSRP |
| 28 | — | Denali $76,300 MSRP |
| 29 | — | Denali $79,100 MSRP |
| 30 | — | Denali Ultimate $97,200 MSRP |
| 31 | — | Denali Ultimate $97,400 MSRP |
| 32 | — | Denali Ultimate $101,300 MSRP |
GMC Sierra 2500 HD vs GMC Sierra 3500 HD FAQ
- Which is better: 2026 GMC Sierra 2500 HD or 2026 GMC Sierra 3500 HD?
- It depends on priorities. OpenDealer compares 2026 GMC Sierra 2500 HD vs 2026 GMC Sierra 3500 HD on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 GMC Sierra 2500 HD or 2026 GMC Sierra 3500 HD?
- Based on starting MSRP, the 2026 GMC Sierra 2500 HD starts lower at $46,700.
- Which has better startingMsrp: 2026 GMC Sierra 2500 HD or 2026 GMC Sierra 3500 HD?
- The 2026 GMC Sierra 2500 HD leads on startingMsrp in this comparison (46,700).