BMW M440i xDrive ConvertiblevsRolls-Royce Phantom Extended
BMW M440i xDrive Convertible leads in City MPG (25 vs 12) and Highway MPG (32 vs 19) and 3 more.
Fuel Economy
25
City MPG
12
32
Highway MPG
19
28
Combined MPG
14
Engine & Drivetrain
6
Cylinders
12
3
Engine Displacement
7
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
312
CO₂ Emissions
609
2,450
Annual Fuel Cost
4,950
Subcompact Cars
Vehicle Class
Large Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).