BMW 840i CoupevsBMW M4 Coupe
BMW 840i Coupe leads in City MPG (21 vs 16) and Highway MPG (29 vs 23) and 3 more.
Fuel Economy
21
City MPG
16
29
Highway MPG
23
24
Combined MPG
19
Engine & Drivetrain
6
Cylinders
6
3
Engine Displacement
3
RWD
Drive Type
RWD
Automatic
Transmission
Manual
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
368
CO₂ Emissions
472
2,900
Annual Fuel Cost
3,650
Subcompact Cars
Vehicle Class
Subcompact Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).