BMW M850i xDrive ConvertiblevsPorsche Cayenne
BMW M850i xDrive Convertible leads in Highway MPG (24 vs 23) and CO₂ Emissions (456 vs 469).
Fuel Economy
17
City MPG
17
24
Highway MPG
23
19
Combined MPG
19
Engine & Drivetrain
8
Cylinders
6
4
Engine Displacement
3
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
456
CO₂ Emissions
469
3,650
Annual Fuel Cost
3,650
Subcompact Cars
Vehicle Class
Standard Sport Utility Vehicle 4WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).