Audi A6 SedanvsCadillac CT4 V AWD
Audi A6 Sedan leads in Highway MPG (29 vs 28).
Fuel Economy
20
City MPG
20
29
Highway MPG
28
23
Combined MPG
23
Engine & Drivetrain
6
Cylinders
4
3
Engine Displacement
3
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
387
CO₂ Emissions
387
3,000
Annual Fuel Cost
3,000
Midsize Cars
Vehicle Class
Compact Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).