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2021 Mercedes-Benz AMG GT Roadster vs 2021 Mercedes-Benz C300 4matic Convertible

EPA figure2021 Mercedes-Benz AMG GT Roadster2021 Mercedes-Benz C300 4matic Convertible
Model year20212021
Body · driveTwo Seaters · Rear-Wheel Drive · GasSubcompact · 4-Wheel Drive · Gas
Combined MPG1725
City / highway MPG15 / 2022 / 30
Fuel a year$4,850$3,300
Tailpipe CO₂ (g/mi)533359
Engine4.0 L 8-cyl turbo2.0 L 4-cyl turbo
TransmissionAutomatic (AM7)Automatic 9-spd

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