Audi A3 quattrovsPorsche Panamera
Audi A3 quattro leads in City MPG (24 vs 18) and Highway MPG (34 vs 25) and 3 more.
Fuel Economy
24
City MPG
18
34
Highway MPG
25
28
Combined MPG
21
Engine & Drivetrain
4
Cylinders
6
2
Engine Displacement
3
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
323
CO₂ Emissions
431
2,450
Annual Fuel Cost
3,300
Subcompact Cars
Vehicle Class
Large Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).