Porsche CayennevsRolls-Royce Ghost Extended
Porsche Cayenne leads in City MPG (17 vs 12) and Highway MPG (23 vs 19) and 3 more.
Fuel Economy
17
City MPG
12
23
Highway MPG
19
19
Combined MPG
14
Engine & Drivetrain
6
Cylinders
12
3
Engine Displacement
7
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
469
CO₂ Emissions
609
3,650
Annual Fuel Cost
4,950
Standard Sport Utility Vehicle 4WD
Vehicle Class
Large Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).