Porsche 911 vs Subaru BRZ
The Subaru BRZ is the more efficient of the two: it reaches 28 mpg combined versus 25 mpg for the Porsche 911, a 3 mpg advantage and costs about $350 less per year to fuel.
Across 5 measured categories, the Subaru BRZ leads in 5. Figures are EPA test data, not manufacturer claims.
Head-to-head specifications
| Metric | Porsche 911 | Subaru BRZ |
|---|---|---|
| Best combined MPG | 25 mpg | 28 mpg ✓ |
| Best city MPG | 22 mpg | 24 mpg ✓ |
| Best highway MPG | 30 mpg | 33 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $3,050 | $2,700 ✓ |
| Lowest CO2 output | 355 g/mi | 321 g/mi ✓ |
| Engines offered | SIDI | SIDI & PFI |
| Transmissions | Automatic (AM-S8), Manual 6-spd, Automatic (AM-S7) | Manual 6-spd, Automatic (S6) |
| Drivetrains | Rear-Wheel Drive, All-Wheel Drive, 4-Wheel Drive | Rear-Wheel Drive |
| Fuel types | Premium | Premium |
| EPA class | Minicompact Cars | Minicompact Cars |
| Years covered | 2015–2026 | 2015–2027 |
| Configurations on record | 361 | 26 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
911 vs BRZ: common questions
Which is better on gas, the Porsche 911 or the Subaru BRZ?
The Subaru BRZ is the more efficient of the two: it reaches 28 mpg combined versus 25 mpg for the Porsche 911, a 3 mpg advantage and costs about $350 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Subaru BRZ runs about $2,700 a year in fuel at its most efficient configuration, versus about $3,050 for the Porsche 911 — a difference of roughly $350 per year.
What engines do the 911 and BRZ offer?
Porsche 911: SIDI. Subaru BRZ: SIDI & PFI.
Are they in the same vehicle class?
Yes — the EPA classifies both the Porsche 911 and the Subaru BRZ as Minicompact Cars, so they compete directly.
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