FuelFacts

← all 2003 Ford Mustang trims

2003 Ford Mustang — 3.8L 6-cyl, Automatic 4-spd, RWD

This 2003 Ford Mustang (3.8L 6-cyl, Automatic 4-spd, RWD) takes regular (87-octane) gasoline. REGULAR

20
MPG combined (17 city / 25 hwy)
$3,100
est. fuel cost / year (EPA, 15k mi)
tailpipe CO₂

Other 2003 Ford Mustang trims

TrimFuelMPGFuel/yr
3.8L 6-cyl, 5-spd manual, RWDREGULAR21$2,950
4.6L 8-cyl, 5-spd manual, RWDREGULAR19$3,300
4.6L 8-cyl, Automatic 4-spd, RWDREGULAR18$3,450
4.6L 8-cyl, Automatic 4-spd, RWDREGULAR18$3,450
4.6L 8-cyl, 5-spd manual, RWDREGULAR18$3,450
4.6L 8-cyl, 6-spd manual, RWDPREMIUM17$4,550

EPA fuel type: Regular · class: Subcompact Cars · retrieved 2026-06-14.