- Newest year: 2004
- Gas
- Small cars
2001-2004 Roush Performance Mustang MPG & Fuel Cost
4 model years · 17–18 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 1 of 10 small car configurations, MY2004. Ranked against all rated configurations, not sales-weighted.
2001-2004 Roush Performance Mustang at a glance
The 2001-2004 Roush Performance Mustang covers 4 model years in the EPA database (7 configurations in all), rated 17–18 MPG combined. The newest model year, 2004, costs about $4,460 a year to fuel for its most efficient version, the Stage 3 Mustang 4.6L 8-cyl supercharged RWD (18 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2003 and 2004; 2002 repeat the values of the year before.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2001-2004 Roush Performance Mustang by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2004 | Gas | 18 MPG | $4,460 | Ratings changed |
| 2003 | Gas | 17–18 MPG | $4,460–$4,730 | Ratings changed |
| 2002 | Gas | 18 MPG | $4,460 | Same EPA ratings as 2001 |
| 2001 | Gas | 18 MPG | $4,460 | First year |
What the 2004 Stage 3 Mustang 4.6L 8-cyl supercharged RWD costs to drive
Per month
$372
$4,460 a year ÷ 12
Per 25 miles
$7.43
Per 100 miles
$29.73
Five years
$22,300
5 × the yearly cost, prices held at today's level
vs the small car median
$810more a year
Class median $3,650 a year, MY2004
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2004 Roush Performance Mustang MPG
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2003: The most efficient configuration stays at 18 MPG. Its annual cost stays at $4,460.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Stage 3 Mustang (Most efficient) | 4.6L 8-cyl supercharged | RWD | 15 | 23 | 18 | $4,460 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2003 Roush Performance Mustang MPG
17–18 MPG · $4,460–$4,730/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2002: The most efficient configuration stays at 18 MPG. Its annual cost stays at $4,460.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Stage 3 Mustang 4.6L 8-cyl supercharged RWD Manual 5-spd (Most efficient) | 4.6L 8-cyl supercharged | RWD | 15 | 23 | 18 | $4,460 |
| Stage 3 Mustang 4.6L 8-cyl supercharged RWD Automatic 4-spd | 4.6L 8-cyl supercharged | RWD | 15 | 21 | 17 | $4,730 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2002 Roush Performance Mustang MPG
Same EPA ratings as 2001
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
EPA lists the same ratings for the 2002 Roush Performance Mustang as for the 2001 model, so the configurations and costs are the ones in the 2001 section above.See 2001
2001 Roush Performance Mustang MPG
18 MPG · $4,460/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Stage 3 Mustang 4.6L 8-cyl supercharged RWD Automatic 4-spd (Most efficient) | 4.6L 8-cyl supercharged | RWD | 16 | 21 | 18 | $4,460 |
| Stage 3 Mustang 4.6L 8-cyl supercharged RWD Manual 5-spd | 4.6L 8-cyl supercharged | RWD | 15 | 23 | 18 | $4,460 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the Stage 3 Mustang 4.6L 8-cyl supercharged RWD: $5,320 in California and $3,870 in Texas, a $1,450 difference.
- California $5,320
- Washington $5,010
- New York $4,410
- Florida $4,080
- Texas $3,870
Similar cars
Closest combined MPG among MY2004 small car models.
Generations
Frequently asked questions
What gas mileage does the 2001-2004 Roush Performance Mustang get?
EPA rates the 2001-2004 Roush Performance Mustang at 17–18 MPG combined across 7 configurations and 4 model years. The most efficient version, the 2004 Stage 3 Mustang 4.6L 8-cyl supercharged RWD, is rated 18 MPG (15 city, 23 highway).
Which years had the best MPG in the 2001-2004 Roush Performance Mustang?
Every model year of the 2001-2004 Roush Performance Mustang tops out at 18 MPG combined, so no year is better than another.
Did EPA ratings change during the 2001-2004 Roush Performance Mustang?
Yes. Ratings changed in 2003 and 2004. In 2002 the values repeat the year before.
How much does it cost to fuel a 2004 Roush Performance Mustang per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the Stage 3 Mustang 4.6L 8-cyl supercharged RWD costs about $4,460 a year. Across all 1 configuration the cost runs $4,460 a year.
How much does it cost to drive a 2004 Roush Performance Mustang 100 miles?
About $29.73 per 100 miles for the Stage 3 Mustang 4.6L 8-cyl supercharged RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2004 Roush Performance Mustang more efficient in the city or on the highway?
The Stage 3 Mustang 4.6L 8-cyl supercharged RWD is rated 15 city and 23 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2004 Roush Performance Mustang compare with other small car configurations?
The Stage 3 Mustang 4.6L 8-cyl supercharged RWD costs about $4,460 a year to fuel, $810 more than the class median of $3,650, and less than 1 of 10 small car configurations. The comparison covers all 356 rated small car configurations for MY2004, not weighted by sales.
Is the 2004 Roush Performance Mustang different from the 2003 model?
The most efficient configuration stays at 18 MPG. Its annual cost stays at $4,460. EPA lists 1 configuration for 2004 against 2 configurations for 2003. See the 2003 Roush Performance Mustang for that year.