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2006 Ford Mustang Roush
Photo shows the 2006 model (previous generation): 2006 Ford Mustang Roush. Photo: Greg Gjerdingen, CC BY 2.0, via Wikimedia Commons
  • Newest year: 2014
  • Gas
  • Small cars

2011-2014 Roush Performance Mustang MPG & Fuel Cost

4 model years · 16–18 MPG combined

17 MPG
Combined
15 MPG
City
22 MPG
Highway
Annual fuel cost · Stage 3 Mustang 5.0L 8-cyl supercharged RWD
$4,600

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

Cheaper to fuel than 1 of 10 small car configurations, MY2014. Ranked against all rated configurations, not sales-weighted.

2011-2014 Roush Performance Mustang at a glance

The 2011-2014 Roush Performance Mustang covers 4 model years in the EPA database (7 configurations in all), rated 16–18 MPG combined. The newest model year, 2014, costs about $4,600 a year to fuel for its most efficient version, the Stage 3 Mustang 5.0L 8-cyl supercharged RWD (17 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2012, 2013 and 2014. The best combined rating in the generation, 18 MPG, was reached in 2012 and 2013.

2011-2014 Roush Performance Mustang by model year

2011-2014 Roush Performance Mustang: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2014 Gas 17 MPG $4,600–$4,810 Ratings changed
2013 Gas 17–18 MPG $4,420–$4,810 Ratings changed
2012 Gas 16–18 MPG $4,510–$4,900 Ratings changed
2011 Gas 16 MPG $4,900 First year

What the 2014 Stage 3 Mustang 5.0L 8-cyl supercharged RWD costs to drive

Per month

$383

$4,600 a year ÷ 12

Per 25 miles

$7.67

Per 100 miles

$30.67

Five years

$23,000

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

vs the small car median

$1,540more a year

Class median $3,060 a year, MY2014

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

2014 Roush Performance Mustang MPG

Versus 2013: The most efficient configuration moves from 18 to 17 MPG, down 1. Its annual cost goes from $4,420 to $4,600, $180 more.

Gas · 5.0L
Combined
17 MPG
Per year
$4,600–$4,810

Gas configurations (2)

2014 Roush Performance Mustang gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Automatic 6-spd (Most efficient) 5.0L 8-cyl supercharged RWD 15 22 17 $4,600
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Manual 6-spd 5.0L 8-cyl supercharged RWD 14 22 17 $4,810

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2013 Roush Performance Mustang MPG

17–18 MPG · $4,420–$4,810/yr

Versus 2012: The most efficient configuration stays at 18 MPG. Its annual cost goes from $4,510 to $4,420, $90 less.

Gas · 5.0L
Combined
17–18 MPG
Per year
$4,420–$4,810

Gas configurations (2)

2013 Roush Performance Mustang gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Automatic 6-spd (Most efficient) 5.0L 8-cyl supercharged RWD 16 23 18 $4,420
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Manual 6-spd 5.0L 8-cyl supercharged RWD 14 22 17 $4,810

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2012 Roush Performance Mustang MPG

16–18 MPG · $4,510–$4,900/yr

Versus 2011: The most efficient configuration moves from 16 to 18 MPG, up 2. Its annual cost goes from $4,900 to $4,510, $390 less.

Gas · 5.0L
Combined
16–18 MPG
Per year
$4,510–$4,900

Gas configurations (2)

2012 Roush Performance Mustang gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Automatic 6-spd (Most efficient) 5.0L 8-cyl supercharged RWD 15 22 18 $4,510
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Manual 6-spd 5.0L 8-cyl supercharged RWD 14 21 16 $4,900

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2011 Roush Performance Mustang MPG

16 MPG · $4,900/yr
Gas · 5.0L
Combined
16 MPG
Per year
$4,900

Gas configurations (1)

2011 Roush Performance Mustang gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Stage 3 Mustang (Most efficient) 5.0L 8-cyl supercharged RWD 14 21 16 $4,900

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 Stage 3 Mustang 5.0L 8-cyl supercharged RWD: $5,490 in California and $3,990 in Texas, a $1,500 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 MY2014 small car 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

Frequently asked questions

What gas mileage does the 2011-2014 Roush Performance Mustang get?

EPA rates the 2011-2014 Roush Performance Mustang at 16–18 MPG combined across 7 configurations and 4 model years. The most efficient version, the 2013 Stage 3 Mustang 5.0L 8-cyl supercharged RWD, is rated 18 MPG (16 city, 23 highway).

Which years had the best MPG in the 2011-2014 Roush Performance Mustang?

The Stage 3 Mustang 5.0L 8-cyl supercharged RWD reached the generation's best combined rating, 18 MPG, in 2012 and 2013. The lowest top rating, 16 MPG, was in 2011.

Did EPA ratings change during the 2011-2014 Roush Performance Mustang?

Yes. Ratings changed in 2012, 2013 and 2014.

How does the 2011-2014 Roush Performance Mustang compare with the previous generation?

The previous generation (2006-2010 Roush Performance Mustang) is rated 16–18 MPG combined and costs $4,460–$5,020 a year to fuel; the 2011-2014 model is rated 16–18 MPG and costs $4,420–$4,900 a year.

How much does it cost to fuel a 2014 Roush Performance Mustang per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the Stage 3 Mustang 5.0L 8-cyl supercharged RWD costs about $4,600 a year. Across all 2 configurations the cost runs $4,600–$4,810 a year. That is a $210 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2014 Roush Performance Mustang 100 miles?

About $30.67 per 100 miles for the Stage 3 Mustang 5.0L 8-cyl supercharged RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $30.67 and $32.07 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2014 Roush Performance Mustang more efficient in the city or on the highway?

The Stage 3 Mustang 5.0L 8-cyl supercharged RWD is rated 15 city and 22 highway MPG, so it is more efficient on the highway, by 7 MPG.

How does the 2014 Roush Performance Mustang compare with other small car configurations?

The Stage 3 Mustang 5.0L 8-cyl supercharged RWD costs about $4,600 a year to fuel, $1,540 more than the class median of $3,060, and less than 1 of 10 small car configurations. The comparison covers all 360 rated small car configurations for MY2014, not weighted by sales.

Is the 2014 Roush Performance Mustang different from the 2013 model?

The most efficient configuration moves from 18 to 17 MPG, down 1. Its annual cost goes from $4,420 to $4,600, $180 more. EPA lists 2 configurations for 2014 against 2 configurations for 2013. See the 2013 Roush Performance Mustang for that year.