Roush Performance Stage 3 Mustang Vehicle Class & EPA Size Category

The EPA classifies the 2020 Roush Performance Stage 3 Mustang as a Subcompact Cars, a rating based on body style and interior volume.

Latest model year (2020):

The Roush Performance Stage 3 Mustang is classified by the EPA as a Subcompact Cars.

Verifiedfueleconomy.gov · Verified August 11, 2026

Roush Performance Stage 3 Mustang Vehicle Class — All Years

YearTrimVehicle ClassDriveFuel TypeMPG Comb.
2020Auto (S10), 8 cyl, 5.0 LSubcompact CarsRear-Wheel DrivePremium Gasoline14
2020Man 6-spd, 8 cyl, 5.0 LSubcompact CarsRear-Wheel DrivePremium Gasoline15

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Roush Performance Stage 3 Mustang Vehicle Class FAQ

What class of vehicle is the Roush Performance Stage 3 Mustang?

The EPA classifies the Roush Performance Stage 3 Mustang as a Subcompact Cars. This classification is based on interior volume and body style and affects how its fuel economy is compared with other vehicles.

Is the Roush Performance Stage 3 Mustang considered a small or large vehicle?

Based on its EPA class (Subcompact Cars), the Roush Performance Stage 3 Mustang is grouped with vehicles of similar size and interior volume. The class can change between model years when the body is redesigned.

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