Ford Mustang vs BMW i4
The BMW i4 is the more efficient of the two: it reaches 120 mpg combined versus 26 mpg for the Ford Mustang, a 94 mpg advantage and costs about $1,700 less per year to fuel.
Across 4 measured categories, the BMW i4 leads in 4. Figures are EPA test data, not manufacturer claims.
2015–2026
Ford Mustang
Subcompact Cars · 133 configurations
Head-to-head specifications
| Metric | Ford Mustang | BMW i4 |
|---|---|---|
| Best combined MPG | 26 mpg | 120 mpg ✓ |
| Best city MPG | 22 mpg | 122 mpg ✓ |
| Best highway MPG | 33 mpg | 119 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,350 | $650 ✓ |
| Lowest CO2 output | 341 g/mi | Not available |
| Engines offered | 5.2, 5.0, SIDI & PFI, with Stop-Start | Not available |
| Transmissions | Automatic (AM-S8), Manual 6-spd, Automatic (S10) | Automatic (A1) |
| Drivetrains | Rear-Wheel Drive | All-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive |
| Fuel types | Premium, Regular | Electricity |
| EPA class | Subcompact Cars | Subcompact Cars |
| Years covered | 2015–2026 | 2022–2026 |
| Configurations on record | 133 | 33 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Mustang vs i4: common questions
Which is better on gas, the Ford Mustang or the BMW i4?
The BMW i4 is the more efficient of the two: it reaches 120 mpg combined versus 26 mpg for the Ford Mustang, a 94 mpg advantage and costs about $1,700 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the BMW i4 runs about $650 a year in fuel at its most efficient configuration, versus about $2,350 for the Ford Mustang — a difference of roughly $1,700 per year.
What engines do the Mustang and i4 offer?
Ford Mustang: 5.2, 5.0, SIDI & PFI, with Stop-Start. BMW i4: no engine data on record.
Are they in the same vehicle class?
Yes — the EPA classifies both the Ford Mustang and the BMW i4 as Subcompact Cars, so they compete directly.
More Mustang comparisons
Comparison id: ford-mustang-vs-bmw-i4