Chevrolet Silverado 2500 HD 2WD CNG
2004–2005 · 2 configurations
The Chevrolet Silverado 2500 HD 2WD CNG has been tested by the EPA across 2 different configurations spanning model years 2004 through 2005. Over this period, the Silverado 2500 HD 2WD CNG has achieved combined fuel economy ratings ranging from 9 MPG to 10 MPG, with an overall average of 10 MPG across all engine, transmission, and drivetrain combinations. Below you will find a comprehensive breakdown of every tested configuration, organized by model year. Click any row to view detailed specifications, emissions data, and annual fuel cost estimates for that specific vehicle.
All Configurations
| Year | Powertrain | Annual Cost | City | Hwy | Comb MPG | Compare |
|---|---|---|---|---|---|---|
| 2005 | 6L 8-cyl Rear-Wheel Drive Automatic 4-spd • CNG | $4,950 | 8 | 11 | 9MPG | |
| 2004 | 6L 8-cyl Rear-Wheel Drive Automatic 4-spd • CNG | $4,450 | 9 | 11 | 10MPG |
Historical Efficiency
Safety Rating History
NHTSA typically tests the base platform of a vehicle and does not test every specific trim level. This specific configuration (Silverado 2500 HD 2WD CNG) has not been independently rated.
Complaint & Incident History
The data below represents all official consumer complaints reported to the National Highway Traffic Safety Administration (NHTSA) for the Chevrolet Silverado 2500 HD 2WD CNG. Click on any year to drill down and read the unedited, raw problem narratives submitted directly by vehicle owners.
Fatal Crash History (FARS)
The Fatality Analysis Reporting System (FARS) is a nationwide census providing NHTSA, Congress and the American public yearly data regarding fatal injuries suffered in motor vehicle traffic crashes. The data below represents historical totals for the Chevrolet Chevrolet C, K, R, V-series pickup/Silverado grouping as reported by the NHTSA.
Total Fatal Crashes2,244Total Deaths1,243
Incident Risk Profile
Breakdown of the initial point of impact across all fatal collisions involving this model.
Year-by-Year Trend & Severity
Platform Recall Intelligence
Most Recalled Components
Tip: Click any component bar to view detailed recall narratives.