BMW X6 M CompetitionvsPorsche Cayenne S
Porsche Cayenne S leads in City MPG (16 vs 13) and Highway MPG (21 vs 18) and 3 more.
Fuel Economy
13
City MPG
16
18
Highway MPG
21
15
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
589
CO₂ Emissions
492
4,600
Annual Fuel Cost
3,850
Standard Sport Utility Vehicle 4WD
Vehicle Class
Standard Sport Utility Vehicle 4WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).