2021 Chevrolet Silverado Cab Chassis
17MPG
Combined
6
Trims
Updated February 27, 2026
The 2021 Chevrolet Silverado Cab Chassis Special Purpose Vehicle 2WD provides 14–17 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.
2021 Chevrolet Silverado Cab Chassis Specifications
| Spec | Value |
|---|---|
| Combined MPG | 14–17 combined MPG depending on trim |
| City MPG | 15 |
| Highway MPG | 19 |
| Body Style | Special Purpose Vehicle 2WD |
| Fuel Type | Regular |
| Drive | RWD |
| Available Trims | 6 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 15/19/17 | 4.3L 6cyl | Automatic 6-spd |
| Auto | 14/18/15 | 5.3L 8cyl | Automatic 6-spd |
| Auto | 13/18/14 | 5.3L 8cyl | Automatic 6-spd |
| Auto | 14/17/15 | 5.3L 8cyl | Automatic 6-spd |
| Auto | 14/16/15 | 4.3L 6cyl | Automatic 6-spd |
| Auto | 13/17/14 | 5.3L 8cyl | Automatic 6-spd |
Annual Fuel Cost
Based on EPA estimates, the 2021 Chevrolet Silverado Cab Chassis costs approximately $2,958 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2021 Chevrolet Silverado Cab Chassis
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