Audi A6 SedanvsBMW 840i Convertible
BMW 840i Convertible leads in City MPG (21 vs 20) and Combined MPG (24 vs 23) and 2 more.
Fuel Economy
20
City MPG
21
29
Highway MPG
29
23
Combined MPG
24
Engine & Drivetrain
6
Cylinders
6
3
Engine Displacement
3
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
387
CO₂ Emissions
368
3,000
Annual Fuel Cost
2,900
Midsize Cars
Vehicle Class
Subcompact Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).