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2021 Roush Performance Mustang

US · Subcompact Cars

The 2021 Roush Performance Mustang is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
5.0L 8-cylinder supercharged (SIDI & PFI)
Transmission
Varies by configuration: Automatic, Manual
Drivetrain
RWD
Fuel
Gasoline
Economy
14 mpg (16.8 L/100 km) to 15 mpg (15.7 L/100 km) combined
Generic outline for this body type. An illustration, not a photograph.
Specifications at a Glance

Key Figures

Units:
Engine / Powertrain
5.0L 8-cylinder supercharged (SIDI & PFI)
Combined Economy
14 mpg (16.8 L/100 km) to 15 mpg (15.7 L/100 km) combined
Drivetrain
RWD
Transmission
Automatic, Manual
Market: US·Switch units to convert the figures shown.
Compare 2021 Roush Performance Mustang ↗

Engine

Engine
SpecificationValueSource
Engine5.0L 8-cylinder supercharged (SIDI & PFI)
Displacement5.0 L
Cylinders8
AspirationSupercharged
Fuel typeGasoline

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionVaries by configuration: Automatic, Manual
Gears6 to 10
DrivetrainRWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined14 mpg (16.8 L/100 km) to 15 mpg (15.7 L/100 km)
City12 mpg (19.6 L/100 km)
Highway19 mpg (12.4 L/100 km)

Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.

Trims and configurations

2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

No recall campaigns were found in NHTSA data at the last check. Last checked November 8, 2026.

    Data sources

    Source checked: November 4, 2026

    Data verified: November 4, 2026

    Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

    Frequently asked questions

    What engine does the 2021 Roush Performance Mustang have?

    5.0L 8-cylinder supercharged (SIDI & PFI). Engines can differ by trim, so check the trim list below.

    What is the fuel economy of the 2021 Roush Performance Mustang?

    Combined fuel economy is 14 mpg (16.8 L/100 km) to 15 mpg (15.7 L/100 km), as published by the source shown in the specification table.

    Is the 2021 Roush Performance Mustang front-wheel, rear-wheel or all-wheel drive?

    Drivetrain: RWD.

    Are there recalls for the 2021 Roush Performance Mustang?

    No recall campaigns were found in NHTSA data when we last checked on November 8, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.