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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
  • Newest year: 2008
  • Gas
  • Two-seaters

2008 Shelby Mustang GT MPG & Fuel Cost

1 configuration · 17 MPG combined

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

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

Cheaper to fuel than 3 of 10 two-seater configurations, MY2008. Ranked against all rated configurations, not sales-weighted.

2008 Shelby Mustang GT at a glance

The 2008 Shelby Mustang GT has 1 configuration in the EPA database, rated 17 MPG combined. The most efficient is the Mustang GT 4.6L 8-cyl RWD at 17 MPG, which costs about $4,730 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The Mustang GT 4.6L 8-cyl RWD costs less to fuel than 3 of 10 two-seater configurations rated for MY2008 (class median $4,020 a year).

What the 2008 Mustang GT 4.6L 8-cyl RWD costs to drive

Per month

$394

$4,730 a year ÷ 12

Per 25 miles

$7.88

Per 100 miles

$31.53

Five years

$23,650

5 × the yearly cost, prices held at today's level

vs the two-seater median

$710more a year

Class median $4,020 a year, MY2008

Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).

2008 Shelby Mustang GT MPG

Gas · 4.6L
Combined
17 MPG
Per year
$4,730

Gas configurations (1)

2008 Shelby Mustang GT gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Mustang GT (Most efficient) 4.6L 8-cyl RWD 15 22 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).

Fuel cost by state

Yearly cost of the Mustang GT 4.6L 8-cyl RWD: $5,640 in California and $4,100 in Texas, a $1,540 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2008 two-seater models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

  • 2008

Frequently asked questions

What gas mileage does the 2008 Shelby Mustang GT get?

EPA rates the 2008 Shelby Mustang GT at 17 MPG combined across 1 configuration. The most efficient, the Mustang GT 4.6L 8-cyl RWD, is rated 17 MPG combined (15 city / 22 highway).

How much does it cost to fuel a 2008 Shelby Mustang GT per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the Mustang GT 4.6L 8-cyl RWD costs about $4,730 a year. Across all 1 configuration the cost runs $4,730 a year.

How much does it cost to drive a 2008 Shelby Mustang GT 100 miles?

About $31.53 per 100 miles for the Mustang GT 4.6L 8-cyl 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 2008 Shelby Mustang GT more efficient in the city or on the highway?

The Mustang GT 4.6L 8-cyl RWD is rated 15 city and 22 highway MPG, so it is more efficient on the highway, by 7 MPG.

How does the 2008 Shelby Mustang GT compare with other two-seater configurations?

The Mustang GT 4.6L 8-cyl RWD costs about $4,730 a year to fuel, $710 more than the class median of $4,020, and less than 3 of 10 two-seater configurations. The comparison covers all 81 rated two-seater configurations for MY2008, not weighted by sales.