Chevrolet Avalanche 1500 vs GMC Sierra 2500 HD
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 GMC Sierra 2500 HD
Overview
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 2500 HDPro |
|---|---|---|
| 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 | 10-speed shiftable automatic |
| Engine type | flex-fuel (FFV) | gas |
| Model year | 2006 | 2026 |
Pricing & market
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 2500 HDPro |
|---|---|---|
| MSRP | $33,910 (best) | $47,000 |
| Lowest listing price | — | $67,575 (best) |
| Median listing price | — | $89,155 (best) |
| Highest listing price | — | $108,480 (best) |
| For sale now | 0 | 6 (best) |
Fuel economy & range
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 2500 HDPro |
|---|---|---|
| Combined MPG | 14 MPG (best) | — |
| City MPG | 13 MPG (best) | — |
| Highway MPG | 17 MPG (best) | — |
| Fuel tank | 31 gal | 36 gal (best) |
Performance
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 2500 HDPro |
|---|---|---|
| Horsepower | 295 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 Avalanche 15001500 LS | GMC Sierra 2500 HDPro |
|---|---|---|
| Seating | 6 seats (best) | 3 seats |
| Doors | 4 (best) | 2 |
| Towing capacity | 8,200 lbs | 14,500 lbs (best) |
| Payload | 1,387 lbs | 3,689 lbs (best) |
| Curb weight | 5,413 lbs (best) | 6,267 lbs |
| Ground clearance | 8.6 in | 10.2 in (best) |
| Wheelbase | 130 in | 142 in (best) |
| Length | 221.6 in | 236.3 in (best) |
| Width | 79.8 in | 81.8 in (best) |
| Height | 73.6 in | 79.9 in (best) |
Safety & recalls
| Spec | Chevrolet Avalanche 15001500 LS | GMC Sierra 2500 HDPro |
|---|---|---|
| Open recalls (YMM scope) | 1 | None reported (best) |
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 2500 HD |
|---|---|---|
| 1 | 1500 LS $33,910 MSRP(Currently comparing) | Pro $47,000 MSRP(Currently comparing) |
| 2 | 1500 LS $36,910 MSRP | Pro $48,900 MSRP |
| 3 | — | Pro $49,100 MSRP |
| 4 | — | Pro $50,700 MSRP |
| 5 | — | Pro $50,900 MSRP |
| 6 | — | Pro $49,800 MSRP |
| 7 | — | Pro $51,700 MSRP |
| 8 | — | Pro $51,900 MSRP |
| 9 | — | Pro $53,500 MSRP |
| 10 | — | Pro $53,700 MSRP |
| 11 | — | SLE $54,000 MSRP |
| 12 | — | SLE $56,100 MSRP |
| 13 | — | SLE $56,300 MSRP |
| 14 | — | SLE $57,900 MSRP |
| 15 | — | SLE $58,100 MSRP |
| 16 | — | SLT $65,200 MSRP |
| 17 | — | SLT $65,500 MSRP |
| 18 | — | AT4 $72,200 MSRP |
| 19 | — | AT4 $72,400 MSRP |
| 20 | — | Denali $75,200 MSRP |
| 21 | — | Denali $75,400 MSRP |
| 22 | — | AT4X $85,200 MSRP |
| 23 | — | Denali Ultimate $94,200 MSRP |
| 24 | — | Denali Ultimate $94,500 MSRP |
Live inventory
GMC Sierra 2500 HD6 for sale
See all
New2026 GMC Sierra 2500 HD
Denali
Onyx Black•Jet Black, Forge Perforated Leather Seat TrimN/A$96,405Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 2500 HD
AT4
Summit White•Jet Black With Kalahari Accents, Perforated Front Leather Seat TrimN/A$79,864Jay Hatfield GMC Chanute
Chanute, KS
New2026 GMC Sierra 2500 HD
AT4X
Sterling Metallic•Obsidian Rush, Full Grain Leather Seat TrimN/A$108,480Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 2500 HD
SLT
Volcanic Red Tintcoat•Jet Black, Perforated Leather-Appointed Front Outboard Seating PositionsN/A$86,860Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 2500 HD
SLE
Summit White•Jet Black, Cloth Seat TrimN/A$67,575Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 2500 HD
AT4
Onyx Black•Jet Black With Kalahari Accents, Perforated Front Leather Seat TrimN/A$91,450Jay Hatfield GMC of Pittsburg
Frontenac, KS
Chevrolet Avalanche 1500 vs GMC Sierra 2500 HD FAQ
- Which is better: 2006 Chevrolet Avalanche 1500 or 2026 GMC Sierra 2500 HD?
- It depends on priorities. OpenDealer compares 2006 Chevrolet Avalanche 1500 vs 2026 GMC Sierra 2500 HD on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2006 Chevrolet Avalanche 1500 or 2026 GMC Sierra 2500 HD?
- Based on starting MSRP, the 2006 Chevrolet Avalanche 1500 starts lower at $33,910. Live GMC Sierra 2500 HD listings start at $67,575.
- Which has better startingMsrp: 2006 Chevrolet Avalanche 1500 or 2026 GMC Sierra 2500 HD?
- The 2006 Chevrolet Avalanche 1500 leads on startingMsrp in this comparison (33,910).
- Which has better combinedMpg: 2006 Chevrolet Avalanche 1500 or 2026 GMC Sierra 2500 HD?
- The 2006 Chevrolet Avalanche 1500 leads on combinedMpg in this comparison (14).
- Which has better horsepower: 2006 Chevrolet Avalanche 1500 or 2026 GMC Sierra 2500 HD?
- The 2026 GMC Sierra 2500 HD leads on horsepower in this comparison (470).
- Which has better maxTowingLbs: 2006 Chevrolet Avalanche 1500 or 2026 GMC Sierra 2500 HD?
- The 2026 GMC Sierra 2500 HD leads on maxTowingLbs in this comparison (20,000).