Ford Mustang vs Audi A5

The Audi A5 is the more efficient of the two: it reaches 30 mpg combined versus 26 mpg for the Ford Mustang, a 4 mpg advantage and costs about $200 less per year to fuel.

Across 5 measured categories, the Audi A5 leads in 4. Figures are EPA test data, not manufacturer claims.

2015–2026

Ford Mustang

Subcompact Cars · 133 configurations

26mpg combined (best)
All Ford Mustang specs

2015–2027

Audi A5

Subcompact Cars · 40 configurations

30mpg combined (best)
All Audi A5 specs

Head-to-head specifications

MetricFord MustangAudi A5
Best combined MPG26 mpg30 mpg
Best city MPG22 mpg26 mpg
Best highway MPG33 mpg36 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$2,350$2,550
Lowest CO2 output341 g/mi300 g/mi
Engines offered5.2, 5.0, SIDI & PFI, with Stop-StartSIDI;, SIDI, SIDI; Mild Hybrid, SIDI; FFV
TransmissionsAutomatic (AM-S8), Manual 6-spd, Automatic (S10)Automatic (AM-S7), Manual 6-spd, Automatic (S8)
DrivetrainsRear-Wheel DriveAll-Wheel Drive
Fuel typesPremium, RegularPremium, Premium or E85
EPA classSubcompact CarsSubcompact Cars
Years covered2015–20262015–2027
Configurations on record13340

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Mustang vs A5: common questions

Which is better on gas, the Ford Mustang or the Audi A5?

The Audi A5 is the more efficient of the two: it reaches 30 mpg combined versus 26 mpg for the Ford Mustang, a 4 mpg advantage and costs about $200 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Ford Mustang runs about $2,350 a year in fuel at its most efficient configuration, versus about $2,550 for the Audi A5 — a difference of roughly $200 per year.

What engines do the Mustang and A5 offer?

Ford Mustang: 5.2, 5.0, SIDI & PFI, with Stop-Start. Audi A5: SIDI;, SIDI, SIDI; Mild Hybrid, SIDI; FFV.

Are they in the same vehicle class?

Yes — the EPA classifies both the Ford Mustang and the Audi A5 as Subcompact Cars, so they compete directly.

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Comparison id: ford-mustang-vs-audi-a5