BMW 840i xDrive ConvertiblevsBMW XM Label
BMW 840i xDrive Convertible leads in City MPG (21 vs 12) and Highway MPG (29 vs 17) and 2 more, while BMW XM Label leads in CO₂ Emissions (263 vs 373).
Fuel Economy
21
City MPG
12
29
Highway MPG
17
24
Combined MPG
14
Engine & Drivetrain
6
Cylinders
8
3
Engine Displacement
4
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
373
CO₂ Emissions
263
2,900
Annual Fuel Cost
4,950
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)).