Audi Q7 quattrovsPorsche 911 Carrera
Porsche 911 Carrera leads in Highway MPG (25 vs 23) and Combined MPG (21 vs 20) and 2 more.
Fuel Economy
18
City MPG
18
23
Highway MPG
25
20
Combined MPG
21
Engine & Drivetrain
6
Cylinders
6
3
Engine Displacement
3
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
442
CO₂ Emissions
424
3,450
Annual Fuel Cost
3,300
Standard Sport Utility Vehicle 4WD
Vehicle Class
Minicompact Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).