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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: 2017
  • Gas
  • Small cars

2015-2017 Roush Performance Mustang MPG & Fuel Cost

3 model years · 16–17 MPG combined

17 MPG
Combined
14 MPG
City
22 MPG
Highway
Annual fuel cost · Stage 3 Mustang 5.0L 8-cyl supercharged RWD
$4,810

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

Cheaper to fuel than 1 of 10 small car configurations, MY2017. Ranked against all rated configurations, not sales-weighted.

2015-2017 Roush Performance Mustang at a glance

The 2015-2017 Roush Performance Mustang covers 3 model years in the EPA database (6 configurations in all), rated 16–17 MPG combined. The newest model year, 2017, costs about $4,810 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 2016 and 2017. The best combined rating in the generation, 17 MPG, was reached in 2016 and 2017.

2015-2017 Roush Performance Mustang by model year

2015-2017 Roush Performance Mustang: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2017 Gas 16–17 MPG $4,810–$5,070 Ratings changed
2016 Gas 16–17 MPG $4,860–$5,110 Ratings changed
2015 Gas 16 MPG $4,880–$5,110 First year

What the 2017 Stage 3 Mustang 5.0L 8-cyl supercharged RWD costs to drive

Per month

$401

$4,810 a year ÷ 12

Per 25 miles

$8.02

Per 100 miles

$32.07

Five years

$24,050

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

vs the small car median

$1,700more a year

Class median $3,110 a year, MY2017

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

2017 Roush Performance Mustang MPG

Versus 2016: The most efficient configuration stays at 17 MPG. Its annual cost goes from $4,860 to $4,810, $50 less.

Gas · 5.0L
Combined
16–17 MPG
Per year
$4,810–$5,070

Gas configurations (2)

2017 Roush Performance Mustang gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Automatic (S6) (Most efficient) 5.0L 8-cyl supercharged RWD 14 22 17 $4,810
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Manual 6-spd 5.0L 8-cyl supercharged RWD 13 23 16 $5,070

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

2016 Roush Performance Mustang MPG

16–17 MPG · $4,860–$5,110/yr

Versus 2015: The most efficient configuration moves from 16 to 17 MPG, up 1. Its annual cost goes from $4,880 to $4,860, $20 less.

Gas · 5.0L
Combined
16–17 MPG
Per year
$4,860–$5,110

Gas configurations (2)

2016 Roush Performance Mustang gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Automatic (S6) (Most efficient) 5.0L 8-cyl supercharged RWD 14 23 17 $4,860
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Manual 6-spd 5.0L 8-cyl supercharged RWD 13 23 16 $5,110

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

2015 Roush Performance Mustang MPG

16 MPG · $4,880–$5,110/yr
Gas · 5.0L
Combined
16 MPG
Per year
$4,880–$5,110

Gas configurations (2)

2015 Roush Performance Mustang gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Automatic (S6) (Most efficient) 5.0L 8-cyl supercharged RWD 13 23 16 $4,880
Stage 3 Mustang 5.0L 8-cyl supercharged RWD Manual 6-spd 5.0L 8-cyl supercharged RWD 13 23 16 $5,110

2 configurations require or recommend higher-octane gasoline and are 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: $5,730 in California and $4,170 in Texas, a $1,560 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 MY2017 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 2015-2017 Roush Performance Mustang get?

EPA rates the 2015-2017 Roush Performance Mustang at 16–17 MPG combined across 6 configurations and 3 model years. The most efficient version, the 2017 Stage 3 Mustang 5.0L 8-cyl supercharged RWD, is rated 17 MPG (14 city, 22 highway).

Which years had the best MPG in the 2015-2017 Roush Performance Mustang?

The Stage 3 Mustang 5.0L 8-cyl supercharged RWD reached the generation's best combined rating, 17 MPG, in 2016 and 2017. The lowest top rating, 16 MPG, was in 2015.

Did EPA ratings change during the 2015-2017 Roush Performance Mustang?

Yes. Ratings changed in 2016 and 2017.

How does the 2015-2017 Roush Performance Mustang compare with the previous generation?

The previous generation (2011-2014 Roush Performance Mustang) is rated 16–18 MPG combined and costs $4,420–$4,900 a year to fuel; the 2015-2017 model is rated 16–17 MPG and costs $4,810–$5,110 a year.

How much does it cost to fuel a 2017 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 $4,810 a year. Across all 2 configurations the cost runs $4,810–$5,070 a year. That is a $260 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2017 Roush Performance Mustang 100 miles?

About $32.07 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 $32.07 and $33.80 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2017 Roush Performance Mustang more efficient in the city or on the highway?

The Stage 3 Mustang 5.0L 8-cyl supercharged RWD is rated 14 city and 22 highway MPG, so it is more efficient on the highway, by 8 MPG.

How does the 2017 Roush Performance Mustang compare with other small car configurations?

The Stage 3 Mustang 5.0L 8-cyl supercharged RWD costs about $4,810 a year to fuel, $1,700 more than the class median of $3,110, and less than 1 of 10 small car configurations. The comparison covers all 395 rated small car configurations for MY2017, not weighted by sales.

Is the 2017 Roush Performance Mustang different from the 2016 model?

The most efficient configuration stays at 17 MPG. Its annual cost goes from $4,860 to $4,810, $50 less. EPA lists 2 configurations for 2017 against 2 configurations for 2016. See the 2016 Roush Performance Mustang for that year.