Chevrolet Avalanche 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 | Chevrolet AvalancheLS | GMC Sierra 3500 HDPro |
|---|---|---|
| Selected trim | LS | Pro |
| Body style | Truck (Crew Cab) | Truck (Regular Cab) |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | flex-fuel (unleaded/E85) | regular unleaded |
| Transmission | 6-speed shiftable automatic | 10-speed shiftable automatic |
| Engine type | flex-fuel (FFV) | gas |
| Model year | 2013 | 2026 |
Pricing & market
| Spec | Chevrolet AvalancheLS | GMC Sierra 3500 HDPro |
|---|---|---|
| MSRP | $35,980 (best) | $47,900 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Chevrolet AvalancheLS | GMC Sierra 3500 HDPro |
|---|---|---|
| Combined MPG | 17 MPG (best) | — |
| City MPG | 15 MPG (best) | — |
| Highway MPG | 21 MPG (best) | — |
| Fuel tank | 31.5 gal | 36 gal (best) |
Performance
| Spec | Chevrolet AvalancheLS | GMC Sierra 3500 HDPro |
|---|---|---|
| Horsepower | 320 hp | 401 hp (best) |
| Torque | 335 lb-ft | 464 lb-ft (best) |
| Engine size | 5.3 L | 6.6 L (best) |
| Cylinders | V8 | V8 |
Size & capability
| Spec | Chevrolet AvalancheLS | GMC Sierra 3500 HDPro |
|---|---|---|
| Seating | 5 seats (best) | 3 seats |
| Doors | 4 (best) | 2 |
| Towing capacity | 8,100 lbs | 14,500 lbs (best) |
| Payload | 1,295 lbs | 4,583 lbs (best) |
| Curb weight | 5,705 lbs (best) | 6,329 lbs |
| Ground clearance | 9.1 in | 11.2 in (best) |
| Wheelbase | 130 in | 142 in (best) |
| Length | 221.3 in | 236.3 in (best) |
| Width | 79.1 in | 81.9 in (best) |
| Height | 76.6 in | 80.9 in (best) |
Safety & recalls
| Spec | Chevrolet AvalancheLS | GMC Sierra 3500 HDPro |
|---|---|---|
| Rollover | 3 / 5 ★ (best) | — |
| 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 | Chevrolet Avalanche | GMC Sierra 3500 HD |
|---|---|---|
| 1 | LS $35,980 MSRP(Currently comparing) | Pro $47,900 MSRP(Currently comparing) |
| 2 | LS $39,030 MSRP | Pro $49,300 MSRP |
| 3 | LT $38,625 MSRP | Pro $50,000 MSRP |
| 4 | LT $41,675 MSRP | Pro $51,400 MSRP |
| 5 | LTZ $44,580 MSRP | Pro $51,600 MSRP |
| 6 | LTZ $47,885 MSRP | Pro $51,800 MSRP |
| 7 | — | Pro $53,200 MSRP |
| 8 | — | Pro $50,700 MSRP |
| 9 | — | Pro $52,100 MSRP |
| 10 | — | Pro $52,800 MSRP |
| 11 | — | Pro $54,200 MSRP |
| 12 | — | Pro $54,400 MSRP |
| 13 | — | Pro $54,600 MSRP |
| 14 | — | Pro $56,000 MSRP |
| 15 | — | SLE $54,700 MSRP |
| 16 | — | SLE $56,200 MSRP |
| 17 | — | SLE $57,000 MSRP |
| 18 | — | SLE $58,400 MSRP |
| 19 | — | SLE $58,600 MSRP |
| 20 | — | SLE $58,800 MSRP |
| 21 | — | SLE $60,100 MSRP |
| 22 | — | SLT $65,900 MSRP |
| 23 | — | SLT $66,100 MSRP |
| 24 | — | 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 |