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Roush Performance

Roush Performance · model year 2021

2021 Roush Performance Mustang

Subcompact · Rear-Wheel Drive · Gas · EPA class: Subcompact Cars

EPA figures · 2021fueleconomy.gov
14MPG combined
12/19MPG city / highway
$5,850fuel a year
618 g CO₂ per mile 5.0 L 8-cyl supercharged Manual 6-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.

Where it places

The CarCody take

The 2021 Roush Performance Mustang is a gasoline car with a 5.0 L supercharged eight-cylinder engine, rear-wheel drive and a 6-speed manual transmission. EPA fuel economy is 12 mpg in the city, 19 mpg on the highway and 14 mpg combined. Its listed EPA annual fuel cost is $5,850, and tailpipe CO2 is 618 grams per mile. The EPA class is Subcompact Cars. These figures help buyers compare stated fuel use and emissions, including the difference between city and highway driving. The Mustang is the base model listed for this entry, with Roush Performance named as the maker.

Good to know

  • 5.0 L supercharged eight-cylinder engine
  • 6-speed manual transmission
  • 19 mpg highway
  • Rear-wheel drive

Watch for

  • 12 mpg city
  • 14 mpg combined
  • Listed EPA annual fuel cost: $5,850
  • 618 g/mile tailpipe CO2

Who it suits. It suits buyers considering a gasoline Mustang with a supercharged eight-cylinder engine and manual transmission who want to weigh the stated fuel economy and annual fuel cost.

The 2021 Roush Performance Mustang is rated at 14 mpg combined, with 12 mpg city and 19 mpg highway. The listed EPA annual fuel cost is $5,850.

Every figure on record

Efficiency
Combined MPG
14 MPG
City MPG
12 MPG
Highway MPG
19 MPG
Running cost
Annual fuel cost
$5,850
Tailpipe CO₂
618 g per mile
The car
Model year
2021
Body
Car
EPA size class
Subcompact Cars
Drive
Rear-Wheel Drive
Powertrain
Engine
5.0 L 8-cyl supercharged
Transmission
Manual 6-spd
Fuel
Gasoline

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