2004 Ford Mustang
4.6L 8-cyl · 5-speed manual · RWD
Official EPA record #19474 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed
Per month
$224.93
Per year
$2,699
Per mile
22.5¢/mi
5-year total
$13,495
Your own average replaces the EPA laboratory values — never averaged together with them — and the driving-mix setting stops applying, because a figure you measured already contains your own mix.
Notes & official EPA estimate
Official FuelEconomy.gov estimate: $3,450/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.
Official EPA efficiency
| Measure | Value |
|---|---|
| City MPG | 15 |
| Highway MPG | 23 |
| Combined MPG | 18 |
Official EPA estimates
| Estimate | Value |
|---|---|
| Official annual fuel cost (15,000 mi/yr) | $3,450/yr |
| Tailpipe CO₂ | 494 g/mi |
| EPA smog rating (BIN 8) | 2/10 |
Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #19474 (record updated 2013-01-01). Snapshot processed 2026-07-26; page data last changed 2013-01-01.
View this record on FuelEconomy.gov — includes owner-shared real-world MPG for this vehicle.
Related configurations
Same year, same family
- Mustang · 3.8L 6-cyl · 4-speed automatic · RWD2004
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- Mustang · 4.6L 8-cyl · 4-speed automatic · RWD2004
- Mustang · 4.6L 8-cyl · 4-speed automatic · RWD2004
- Mustang · 4.6L 8-cyl · 5-speed manual · RWD2004
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Adjacent model years
- Mustang · 4.0L 6-cyl · 5-speed automatic · RWD2005
- Mustang · 4.0L 6-cyl · 5-speed manual · RWD2005
- Mustang · 4.6L 8-cyl · 5-speed automatic · RWD2005
- Mustang · 4.6L 8-cyl · 5-speed manual · RWD2005
- Mustang · 3.8L 6-cyl · 4-speed automatic · RWD2003
- Mustang · 3.8L 6-cyl · 5-speed manual · RWD2003
- Mustang · 4.6L 8-cyl · 4-speed automatic · RWD2003
- Mustang · 4.6L 8-cyl · 4-speed automatic · RWD2003