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2026 Porsche 911 GT3 Touring vs 2027 Mercedes-Benz AMG GT 63 PRO 4matic Plus (coupe)

EPA figure2026 Porsche 911 GT3 Touring2027 Mercedes-Benz AMG GT 63 PRO 4matic Plus (coupe)
Model year20262027
Body · driveTwo Seaters · Rear-Wheel Drive · GasTwo Seaters · All-Wheel Drive · Gas
Combined MPG1516
City / highway MPG13 / 1814 / 20
Fuel a year$5,500$5,150
Tailpipe CO₂ (g/mi)594558
Engine4.0 L 6-cyl4.0 L 8-cyl turbo
TransmissionManual 6-spdAutomatic 9-spd

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