Audi A6 SedanvsBMW Z4 sDrive30i
BMW Z4 sDrive30i leads in City MPG (25 vs 20) and Highway MPG (33 vs 29) and 3 more.
Fuel Economy
20
City MPG
25
29
Highway MPG
33
23
Combined MPG
28
Engine & Drivetrain
6
Cylinders
4
3
Engine Displacement
2
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
387
CO₂ Emissions
312
3,000
Annual Fuel Cost
2,450
Midsize Cars
Vehicle Class
Two Seaters
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).