- Newest year: 2004
- Gas
- Small cars
2000-2004 Ford Mustang MPG & Fuel Cost
5 model years · 14–21 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 6 of 10 small car configurations, MY2004. Ranked against all rated configurations, not sales-weighted.
2000-2004 Ford Mustang at a glance
The 2000-2004 Ford Mustang covers 5 model years in the EPA database (30 configurations in all), rated 14–21 MPG combined. The newest model year, 2004, costs about $3,110 a year to fuel for its most efficient version, the Mustang 3.8L 6-cyl RWD (21 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2001, 2002, 2003 and 2004. The best combined rating in the generation, 21 MPG, was reached in 2000, 2002, 2003 and 2004.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2000-2004 Ford Mustang by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2004 | Gas | 17–21 MPG | $3,110–$3,840 | Ratings changed |
| 2003 | Gas | 17–21 MPG | $3,110–$4,730 | Ratings changed |
| 2002 | Gas | 18–21 MPG | $3,110–$3,630 | Ratings changed |
| 2001 | Gas | 18–20 MPG | $3,270–$4,460 | Ratings changed |
| 2000 | Gas | 14–21 MPG | $3,110–$5,740 | First year |
What the 2004 Mustang 3.8L 6-cyl RWD costs to drive
Per month
$259
$3,110 a year ÷ 12
Per 25 miles
$5.18
Per 100 miles
$20.73
Five years
$15,550
5 × the yearly cost, prices held at today's level
vs the small car median
$540less a year
Class median $3,650 a year, MY2004
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2004 Ford 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 21 MPG. Its annual cost stays at $3,110.
Gas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mustang 3.8L 6-cyl RWD Manual 5-spd (Most efficient) | 3.8L 6-cyl | RWD | 18 | 27 | 21 | $3,110 |
| Mustang 3.9L 6-cyl RWD Manual 5-spd | 3.9L 6-cyl | RWD | 18 | 27 | 21 | $3,110 |
| Mustang 3.8L 6-cyl RWD Automatic 4-spd | 3.8L 6-cyl | RWD | 17 | 25 | 20 | $3,270 |
| Mustang 3.9L 6-cyl RWD Automatic 4-spd | 3.9L 6-cyl | RWD | 17 | 24 | 20 | $3,270 |
| Mustang 4.6L 8-cyl RWD Automatic 4-spd | 4.6L 8-cyl | RWD | 16 | 21 | 18 | $3,630 |
| Mustang 4.6L 8-cyl RWD Manual 5-spd | 4.6L 8-cyl | RWD | 15 | 23 | 18 | $3,630 |
| Mustang 4.6L 8-cyl RWD Automatic 4-spd | 4.6L 8-cyl | RWD | 15 | 21 | 17 | $3,840 |
| Mustang 4.6L 8-cyl RWD Manual 6-spd | 4.6L 8-cyl | RWD | 15 | 22 | 17 | $3,840 |
2003 Ford Mustang MPG
17–21 MPG · $3,110–$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 21 MPG. Its annual cost stays at $3,110.
Gas configurations (7)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mustang 3.8L 6-cyl RWD Manual 5-spd (Most efficient) | 3.8L 6-cyl | RWD | 17 | 27 | 21 | $3,110 |
| Mustang 3.8L 6-cyl RWD Automatic 4-spd | 3.8L 6-cyl | RWD | 17 | 25 | 20 | $3,270 |
| Mustang 4.6L 8-cyl RWD Manual 5-spd | 4.6L 8-cyl | RWD | 16 | 23 | 19 | $3,440 |
| Mustang 4.6L 8-cyl RWD Automatic 4-spd | 4.6L 8-cyl | RWD | 16 | 22 | 18 | $3,630 |
| Mustang 4.6L 8-cyl RWD Automatic 4-spd | 4.6L 8-cyl | RWD | 16 | 21 | 18 | $3,630 |
| Mustang 4.6L 8-cyl RWD Manual 5-spd | 4.6L 8-cyl | RWD | 15 | 23 | 18 | $3,630 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mustang 4.6L 8-cyl RWD Manual 6-spd | 4.6L 8-cyl | RWD | 15 | 21 | 17 | $4,730 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2002 Ford Mustang MPG
18–21 MPG · $3,110–$3,630/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2001: The most efficient configuration moves from 20 to 21 MPG, up 1. Its annual cost goes from $3,270 to $3,110, $160 less.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mustang 3.8L 6-cyl RWD Manual 5-spd (Most efficient) | 3.8L 6-cyl | RWD | 17 | 27 | 21 | $3,110 |
| Mustang 3.8L 6-cyl RWD Automatic 4-spd | 3.8L 6-cyl | RWD | 17 | 25 | 20 | $3,270 |
| Mustang 4.6L 8-cyl RWD Manual 5-spd | 4.6L 8-cyl | RWD | 16 | 23 | 19 | $3,440 |
| Mustang 4.6L 8-cyl RWD Automatic 4-spd | 4.6L 8-cyl | RWD | 16 | 22 | 18 | $3,630 |
2001 Ford Mustang MPG
18–20 MPG · $3,270–$4,460/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2000: The most efficient configuration moves from 21 to 20 MPG, down 1. Its annual cost goes from $3,110 to $3,270, $160 more.
Gas configurations (5)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mustang 3.8L 6-cyl RWD Automatic 4-spd (Most efficient) | 3.8L 6-cyl | RWD | 17 | 25 | 20 | $3,270 |
| Mustang 3.8L 6-cyl RWD Manual 5-spd | 3.8L 6-cyl | RWD | 17 | 26 | 20 | $3,270 |
| Mustang 4.6L 8-cyl RWD Automatic 4-spd | 4.6L 8-cyl | RWD | 16 | 23 | 18 | $3,630 |
| Mustang 4.6L 8-cyl RWD Manual 5-spd | 4.6L 8-cyl | RWD | 16 | 23 | 18 | $3,630 |
| Mustang 4.6L 8-cyl RWD Manual 5-spd | 4.6L 8-cyl | 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).
2000 Ford Mustang MPG
14–21 MPG · $3,110–$5,740/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (6)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Mustang 3.8L 6-cyl RWD Manual 5-spd (Most efficient) | 3.8L 6-cyl | RWD | 17 | 26 | 21 | $3,110 |
| Mustang 3.8L 6-cyl RWD Automatic 4-spd | 3.8L 6-cyl | RWD | 18 | 25 | 20 | $3,270 |
| Mustang 4.6L 8-cyl RWD Automatic 4-spd | 4.6L 8-cyl | RWD | 16 | 22 | 18 | $3,630 |
| Mustang 4.6L 8-cyl RWD Manual 5-spd | 4.6L 8-cyl | RWD | 15 | 23 | 18 | $3,630 |
| Mustang 4.6L 8-cyl RWD Manual 5-spd | 4.6L 8-cyl | RWD | 15 | 23 | 18 | $4,460 |
| Mustang 5.4L 8-cyl | 5.4L 8-cyl | RWD | 12 | 17 | 14 | $5,740 |
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 Mustang 3.8L 6-cyl RWD: $4,230 in California and $2,710 in Texas, a $1,520 difference.
- California $4,230
- Washington $3,920
- New York $3,110
- Florida $2,940
- Texas $2,710
Similar cars
Closest combined MPG among MY2004 small car models.
Generations
- 2000-2004 (4th gen)
- 2005-2014 (5th gen)
- 2015-2023 (S550)
- 2024-2026 (S650)
Frequently asked questions
What gas mileage does the 2000-2004 Ford Mustang get?
EPA rates the 2000-2004 Ford Mustang at 14–21 MPG combined across 30 configurations and 5 model years. The most efficient version, the 2004 Mustang 3.8L 6-cyl RWD, is rated 21 MPG (18 city, 27 highway).
Which years had the best MPG in the 2000-2004 Ford Mustang?
The Mustang 3.8L 6-cyl RWD reached the generation's best combined rating, 21 MPG, in 2000, 2002, 2003 and 2004. The lowest top rating, 20 MPG, was in 2001.
Did EPA ratings change during the 2000-2004 Ford Mustang?
Yes. Ratings changed in 2001, 2002, 2003 and 2004.
How much does it cost to fuel a 2004 Ford Mustang per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Mustang 3.8L 6-cyl RWD costs about $3,110 a year. Across all 8 configurations the cost runs $3,110–$3,840 a year. That is a $730 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2004 Ford Mustang 100 miles?
About $20.73 per 100 miles for the Mustang 3.8L 6-cyl RWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $20.73 and $25.60 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2004 Ford Mustang more efficient in the city or on the highway?
The Mustang 3.8L 6-cyl RWD is rated 18 city and 27 highway MPG, so it is more efficient on the highway, by 9 MPG.
How does the 2004 Ford Mustang compare with other small car configurations?
The Mustang 3.8L 6-cyl RWD costs about $3,110 a year to fuel, $540 less than the class median of $3,650, and less than 6 of 10 small car configurations. The comparison covers all 356 rated small car configurations for MY2004, not weighted by sales.
Is the 2004 Ford Mustang different from the 2003 model?
The most efficient configuration stays at 21 MPG. Its annual cost stays at $3,110. EPA lists 8 configurations for 2004 against 7 configurations for 2003. See the 2003 Ford Mustang for that year.