Ford Shelby GT350 Mustang
16 MPG The 2020 Ford Shelby GT350 Mustang is EPA-rated at 16 MPG combined (14 city / 21 highway). Over 15,000 miles a year that is about 938 gallons, $3000 a year in fuel, or $0.200 per mile at $3.20/gal.
Across its full 2016–2020 run it averages 16 MPG, essentially flat across 5 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.156 | $1563 | $2344 | $3125 |
| $3.00/gal | $0.188 | $1875 | $2813 | $3750 |
| $3.20/gal | $0.200 | $2000 | $3000 | $4000 |
| $3.50/gal | $0.219 | $2188 | $3281 | $4375 |
| $4.00/gal | $0.250 | $2500 | $3750 | $5000 |
| $4.50/gal | $0.281 | $2813 | $4219 | $5625 |
| $5.00/gal | $0.313 | $3125 | $4688 | $6250 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2020 | 16 MPG | 14 | 21 | $4800 | 550 | 1 |
| 2019 | 16 MPG | 14 | 21 | $4800 | 549 | 1 |
| 2018 | 16 MPG | 14 | 21 | $4800 | 549 | 1 |
| 2017 | 16 MPG | 14 | 21 | $4800 | 549 | 1 |
| 2016 | 16 MPG | 14 | 21 | $4800 | 539 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 229 subcompact cars models tracked here, the Ford Shelby GT350 Mustang ranks 214 on current figures, against a class average of 24.2 MPG.
Closest more-efficient alternatives in the same class: BMW M6 Convertible (16.5), BMW M6 Coupe (16.5), Aston Martin Rapide S (17), BMW 650ci Convertible (17), BMW M8 Competition Convertible (17).
Tailpipe CO₂ is rated at 550 grams per mile, which works out to roughly 8.3 tonnes a year at 15,000 miles.
Questions
What MPG does the Ford Shelby GT350 Mustang get?
The 2020 Ford Shelby GT350 Mustang is rated at 16 MPG combined by the EPA — 14 city and 21 highway. Across all 5 model years in the database it averages 16 MPG, ranging from 16 to 16 depending on year and trim.
How much does a Ford Shelby GT350 Mustang cost in fuel per year?
At 16 MPG and 15,000 miles a year, it burns about 938 gallons — roughly $3000 a year with fuel at $3.20 a gallon, or $0.200 per mile. The EPA's own published annual figure for the 2020 model is $4800.
Has the Ford Shelby GT350 Mustang become more efficient over time?
Barely. It sits at 16 MPG today against 16 in 2016 — essentially flat across 5 model years, with efficiency gains offset by weight and power creep.
Is the Ford Shelby GT350 Mustang efficient for its class?
It ranks 214 of 229 in the Subcompact Cars class on current figures, against a class average of 24.2 MPG. That is 8.2 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.