BMW X6 M CompetitionvsRolls-Royce Ghost Extended
BMW X6 M Competition leads in City MPG (13 vs 12) and Combined MPG (15 vs 14) and 2 more, while Rolls-Royce Ghost Extended leads in Highway MPG (19 vs 18).
Fuel Economy
13
City MPG
12
18
Highway MPG
19
15
Combined MPG
14
Engine & Drivetrain
8
Cylinders
12
4
Engine Displacement
7
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
589
CO₂ Emissions
609
4,600
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)).