2005 GMC Sierra 2500 Hd 2WD Cng

Truck Natural Gas
GMC Sierra 2500 Hd 2WD Cng 2005
9MPG Combined
1 Trim
2005
Updated February 27, 2026

Get the full picture on the 2005 GMC Sierra 2500 Hd 2WD Cng. As a Truck, it achieves 9 combined MPG and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.

2005 GMC Sierra 2500 Hd 2WD Cng Specifications

SpecValue
Combined MPG9 combined MPG
City MPG8
Highway MPG11
Body StyleTruck
Fuel TypeNatural Gas
DriveRWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2005 GMC Sierra 2500 Hd 2WD 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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