BMW 840i ConvertiblevsFerrari Roma Spider
BMW 840i Convertible leads in City MPG (21 vs 17) and Highway MPG (29 vs 22) and 3 more.
Fuel Economy
21
City MPG
17
29
Highway MPG
22
24
Combined MPG
19
Engine & Drivetrain
6
Cylinders
8
3
Engine Displacement
4
RWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
368
CO₂ Emissions
467
2,900
Annual Fuel Cost
3,650
Subcompact Cars
Vehicle Class
Minicompact Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).