2020 Roush Performance Stage 3 Mustang Specs: MPG, Gas Mileage, Engine Size & Dimensions
2020 Roush Performance Stage 3 Mustang Specs at a Glance
The 2020 Roush Performance Stage 3 Mustang gets 15 mpg combined on the 5.0L Rear-Wheel Drive configuration. Figures are per configuration, not a single official number — other trims rate as low as 14 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 15 mpg (13 city / 20 hwy)
- Best configuration: 5.0L · Rear-Wheel Drive · Manual 6-spd · other 2020 trims rate 14–15 mpg combined
- Engine
- 5.0L 8-cyl
- 5.0L · Rear-Wheel Drive · Manual 6-spd
2020 Roush Performance Stage 3 Mustang trims and MPG
| Trim | Engine | Trans | Drive | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Auto (S10), 8 cyl, 5.0 L | 8 · 5.0L | Automatic (S10) | Rear-Wheel Drive | 12 | 18 | 14 |
| Man 6-spd, 8 cyl, 5.0 L | 8 · 5.0L | Manual 6-spd | Rear-Wheel Drive | 13 | 20 | 15 |
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Roush Performance Stage 3 Mustang — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2020 | Auto (S10), 8 cyl, 5.0 L | 8 · 5.0L | Automatic (S10) | Rear-Wheel Drive | 12 | 18 | 14 | Premium Gasoline |
| 2020 | Man 6-spd, 8 cyl, 5.0 L | 8 · 5.0L | Manual 6-spd | Rear-Wheel Drive | 13 | 20 | 15 | Premium Gasoline |
Compare across every brand
All Roush Performance Stage 3 Mustang specifications
- Roush Performance Stage 3 Mustang MPG
- Roush Performance Stage 3 Mustang Engine Specs
- Roush Performance Stage 3 Mustang Fuel Cost
- Roush Performance Stage 3 Mustang Transmission
- Roush Performance Stage 3 Mustang Drivetrain
- Roush Performance Stage 3 Mustang Vehicle Class
- Roush Performance Stage 3 Mustang Maintenance
More Roush Performance models
View all Roush Performance models →Roush Performance Stage 3 Mustang — Frequently Asked Questions
What is the fuel economy of the 2020 Roush Performance Stage 3 Mustang?
The Roush Performance Stage 3 Mustang is EPA-rated at up to 15 MPG combined (13 city / 20 highway).
What engine does the 2020 Roush Performance Stage 3 Mustang have?
The Roush Performance Stage 3 Mustang uses a 5.0L 8-cylinder engine paired with an Automatic transmission.
What years of the Roush Performance Stage 3 Mustang are covered here?
This page documents 2 verified Roush Performance Stage 3 Mustang configurations across model years 2020–2020.
How many engine options does the Roush Performance Stage 3 Mustang have?
Across every year on record the Roush Performance Stage 3 Mustang uses one displacement, 5L, so trims differ by drivetrain and equipment rather than engine size.
Is the 2020 Roush Performance Stage 3 Mustang front-wheel drive or all-wheel drive?
Every Roush Performance Stage 3 Mustang configuration on record here is Rear-Wheel Drive; no alternative drivetrain appears in the 2020–2020 data.