Chevrolet Avalanche 1500 vs GMC Sierra 1500
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 GMC Sierra 1500
Overview
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 1500Pro |
|---|---|---|
| Selected trim | 1500 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 | 4-speed automatic | 8-speed shiftable automatic |
| Engine type | flex-fuel (FFV) | gas |
| Model year | 2006 | 2026 |
Pricing & market
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 1500Pro |
|---|---|---|
| MSRP | $33,910 (best) | $38,300 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 1500Pro |
|---|---|---|
| Combined MPG | 14 MPG | 19 MPG (best) |
| City MPG | 13 MPG | 18 MPG (best) |
| Highway MPG | 17 MPG | 21 MPG (best) |
| Fuel tank | 31 gal (best) | 24 gal |
Performance
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 1500Pro |
|---|---|---|
| Horsepower | 295 hp | 310 hp (best) |
| Torque | 335 lb-ft | 430 lb-ft (best) |
| Engine size | 5.3 L (best) | 2.7 L |
| Cylinders | V8 | I4 |
Size & capability
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 1500Pro |
|---|---|---|
| Seating | 6 seats (best) | 3 seats |
| Doors | 4 (best) | 2 |
| Towing capacity | 8,200 lbs | 9,000 lbs (best) |
| Payload | 1,387 lbs | 2,230 lbs (best) |
| Curb weight | 5,413 lbs | 4,440 lbs (best) |
| Ground clearance | 8.6 in (best) | 7.9 in |
| Wheelbase | 130 in (best) | 126 in |
| Length | 221.6 in (best) | 211 in |
| Width | 79.8 in | 81.2 in (best) |
| Height | 73.6 in | 75.7 in (best) |
Safety & recalls
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 1500Pro |
|---|---|---|
| Frontal crash (driver) | — | 5 / 5 ★ (best) |
| Frontal crash (passenger) | — | 4 / 5 ★ (best) |
| Rollover | — | 4 / 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 1500 | GMC Sierra 1500 |
|---|---|---|
| 1 | 1500 LS $33,910 MSRP(Currently comparing) | Pro $38,300 MSRP(Currently comparing) |
| 2 | 1500 LS $36,910 MSRP | Pro $38,500 MSRP |
| 3 | — | Pro $41,600 MSRP |
| 4 | — | Pro $44,000 MSRP |
| 5 | — | Pro $42,900 MSRP |
| 6 | — | Pro $43,100 MSRP |
| 7 | — | Pro $44,900 MSRP |
| 8 | — | Pro $47,300 MSRP |
| 9 | — | Pro $47,600 MSRP |
| 10 | — | SLE $48,700 MSRP |
| 11 | — | SLE $51,100 MSRP |
| 12 | — | SLE $52,000 MSRP |
| 13 | — | SLE $54,400 MSRP |
| 14 | — | SLE $54,700 MSRP |
| 15 | — | Elevation $50,500 MSRP |
| 16 | — | Elevation $53,100 MSRP |
| 17 | — | Elevation $52,300 MSRP |
| 18 | — | Elevation $53,800 MSRP |
| 19 | — | Elevation $54,900 MSRP |
| 20 | — | Elevation $56,400 MSRP |
| 21 | — | Elevation $56,700 MSRP |
| 22 | — | SLT $54,900 MSRP |
| 23 | — | SLT $58,000 MSRP |
| 24 | — | SLT $58,700 MSRP |
| 25 | — | Denali $65,900 MSRP |
| 26 | — | Denali $69,200 MSRP |
| 27 | — | Denali $69,700 MSRP |
| 28 | — | AT4 $66,800 MSRP |
| 29 | — | AT4 $67,300 MSRP |
| 30 | — | AT4X $79,400 MSRP |
| 31 | — | Denali Ultimate $84,200 MSRP |