Chevrolet Silverado 4WD (Flex Fuel)
2026–2026 · 1 configurations
The Chevrolet Silverado 4WD (Flex Fuel) has been tested by the EPA across 1 different configurations spanning model years 2026 through 2026. Over this period, the Silverado 4WD (Flex Fuel) has achieved a consistent combined fuel economy rating of 17 MPG. 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 |
|---|---|---|---|---|---|---|
| 2026 | 5.3L 8-cyl 4-Wheel Drive Automatic 10-spd • Gasoline or E85 | $3,500 | 15 | 19 | 17MPG |
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 4WD (Flex Fuel)) 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 4WD (Flex Fuel). Click on any year to drill down and read the unedited, raw problem narratives submitted directly by vehicle owners.