2021 Chevrolet Silverado Cab Chassis

Special Purpose Vehicle 2WD Regular
Chevrolet Silverado Cab Chassis 2021
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

SpecValue
Combined MPG14–17 combined MPG depending on trim
City MPG15
Highway MPG19
Body StyleSpecial Purpose Vehicle 2WD
Fuel TypeRegular
DriveRWD
Available Trims6

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto15/19/174.3L 6cylAutomatic 6-spd
Auto14/18/155.3L 8cylAutomatic 6-spd
Auto13/18/145.3L 8cylAutomatic 6-spd
Auto14/17/155.3L 8cylAutomatic 6-spd
Auto14/16/154.3L 6cylAutomatic 6-spd
Auto13/17/145.3L 8cylAutomatic 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.

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