BMW 840i ConvertiblevsBMW 840i Gran Coupe
BMW 840i Gran Coupe has a higher City MPG (21 vs 21 mpg), while BMW 840i Gran Coupe has a higher Highway MPG (29 vs 29 mpg), while BMW 840i Gran Coupe has a higher Combined MPG (24 vs 24 mpg).
Fuel Economy
21
City MPG
21
29
Highway MPG
29
24
Combined MPG
24
Engine & Drivetrain
6
Cylinders
6
3
Engine Displacement
3
RWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
368
CO₂ Emissions
368
2,900
Annual Fuel Cost
2,900
Subcompact Cars
Vehicle Class
Midsize Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).