Audi RS 3vsMercedes-Benz E450 4matic
Mercedes-Benz E450 4matic leads in City MPG (22 vs 20) and Highway MPG (31 vs 29) and 3 more.
Fuel Economy
20
City MPG
22
29
Highway MPG
31
23
Combined MPG
25
Engine & Drivetrain
5
Cylinders
6
3
Engine Displacement
3
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
387
CO₂ Emissions
355
3,000
Annual Fuel Cost
2,750
Subcompact Cars
Vehicle Class
Midsize Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).