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2008 Ford Mustang Shelby GT500 Coupe
Shown: 2008 Ford Mustang Shelby GT500 Coupe. Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Two-seaters
  • MY2008–2008

Shelby Mustang GT MPG & Fuel Cost by Year

1 model years · 2008–2008

17 MPG
Combined
15 MPG
City
22 MPG
Highway
Annual cost · MY2008 Mustang GT 4.6L 8-cyl RWD
$4,730

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Shelby models

Shelby Mustang GT fuel economy at a glance

EPA has rated the Shelby Mustang GT for 1 model years, 2008 to 2008. Across those years its combined rating runs 17 MPG. The latest model year, 2008, has 1 configuration rated 17 MPG combined and costing $4,730 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2008 is the 2008 Mustang GT 4.6L 8-cyl RWD, at 17 MPG.

Shelby Mustang GT MPG by year

Shelby Mustang GT: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2008 Generation page
2008 17 $4,730

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Shelby Mustang GT generations

1 generations between 2008 and 2008. Open one for the table of every model year and configuration.

2008 powertrain options

Gas · 4.6L
Combined
17 MPG
Per year
$4,730
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Shelby Mustang GT's gas mileage by year?

EPA combined ratings for the Shelby Mustang GT run 17 MPG across model years 2008 to 2008. The latest year, 2008, is rated 17 MPG.

Which Shelby Mustang GT model year has the best gas mileage?

The 2008 Shelby Mustang GT Mustang GT 4.6L 8-cyl RWD has the highest combined rating since 2008, at 17 MPG.

How much does a Shelby Mustang GT cost to fuel per year?

For MY2008, EPA-rated configurations cost $4,730 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,730.