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2016 Chevrolet Express 3500 2WD Passenger vs 2016 Chevrolet Impala Bi-Fuel (CNG)

EPA figure2016 Chevrolet Express 3500 2WD Passenger2016 Chevrolet Impala Bi-Fuel (CNG)
Model year20162016
Body · driveVan · Rear-Wheel Drive · GasMidsize · Front-Wheel Drive · Gas
Combined MPG1220
City / highway MPG11 / 1617 / 25
Fuel a year$5,600$3,350
Tailpipe CO₂ (g/mi)712437
Engine6.0 L 8-cyl3.6 L 6-cyl
TransmissionAutomatic 6-spdAutomatic (S6)

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