Audi RS 6 AvantvsPorsche Cayenne GTS
Porsche Cayenne GTS leads in City MPG (15 vs 14) and Highway MPG (22 vs 21) and 3 more.
Fuel Economy
14
City MPG
15
21
Highway MPG
22
16
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
545
CO₂ Emissions
512
4,300
Annual Fuel Cost
3,850
Midsize Station Wagons
Vehicle Class
Standard Sport Utility Vehicle 4WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).