Audi S8vsPorsche Cayenne GTS Coupe
Porsche Cayenne GTS Coupe leads in City MPG (16 vs 15) and CO₂ Emissions (489 vs 502), while Audi S8 leads in Highway MPG (24 vs 22).
Fuel Economy
15
City MPG
16
24
Highway MPG
22
18
Combined MPG
18
Engine & Drivetrain
8
Cylinders
8
4
Engine Displacement
4
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
502
CO₂ Emissions
489
3,850
Annual Fuel Cost
3,850
Large Cars
Vehicle Class
Standard Sport Utility Vehicle 4WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).