2005 GMC Sierra 2500 Hd 4WD Cng
9MPG
Combined
1
Trim
2005
Updated February 27, 2026
The 2005 GMC Sierra 2500 Hd 4WD Cng is a Truck that delivers 9 combined MPG. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.
2005 GMC Sierra 2500 Hd 4WD Cng Specifications
| Spec | Value |
|---|---|
| Combined MPG | 9 combined MPG |
| City MPG | 8 |
| Highway MPG | 11 |
| Body Style | Truck |
| Fuel Type | Natural Gas |
| Drive | AWD/4WD |
| Available Trims | 1 |
Annual Fuel Cost
Based on EPA estimates, the 2005 GMC Sierra 2500 Hd 4WD Cng costs approximately $5,000 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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Other Model Years
- 2005 (this page)
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