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2021 Chevrolet Silverado 4WD TrailBoss vs 2021 Chevrolet Silverado Cab Chassis 2WD

EPA figure2021 Chevrolet Silverado 4WD TrailBoss2021 Chevrolet Silverado Cab Chassis 2WD
Model year20212021
Body · drivePickup · 4-Wheel Drive · GasSpecial purpose · Rear-Wheel Drive · Gas
Combined MPG1617
City / highway MPG14 / 1815 / 19
Fuel a year$4,200$3,950
Tailpipe CO₂ (g/mi)560523
Engine4.3 L 6-cyl4.3 L 6-cyl
TransmissionAutomatic 6-spdAutomatic 6-spd

▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.