BMW 840i ConvertiblevsRolls-Royce Spectre (22 inch Wheels)
Rolls-Royce Spectre (22 inch Wheels) leads in City MPG (74 vs 21) and Highway MPG (82 vs 29) and 2 more.
Fuel Economy
21
City MPG
74
29
Highway MPG
82
24
Combined MPG
77
Engine & Drivetrain
6
Cylinders
N/A
3
Engine Displacement
N/A
RWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Electricity
Emissions & Cost
368
CO₂ Emissions
N/A
2,900
Annual Fuel Cost
1,000
Subcompact Cars
Vehicle Class
Compact Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).