Porsche 911 vs Fiat 500
The Fiat 500 is the more efficient of the two: it reaches 34 mpg combined versus 25 mpg for the Porsche 911, a 9 mpg advantage and costs about $800 less per year to fuel.
Across 5 measured categories, the Fiat 500 leads in 5. Figures are EPA test data, not manufacturer claims.
Head-to-head specifications
| Metric | Porsche 911 | Fiat 500 |
|---|---|---|
| Best combined MPG | 25 mpg | 34 mpg ✓ |
| Best city MPG | 22 mpg | 31 mpg ✓ |
| Best highway MPG | 30 mpg | 38 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $3,050 | $2,250 ✓ |
| Lowest CO2 output | 355 g/mi | 264 g/mi ✓ |
| Engines offered | SIDI | 1.3, SIDI, 1.4 |
| Transmissions | Automatic (AM-S8), Manual 6-spd, Automatic (AM-S7) | Automatic 9-spd, Automatic 6-spd, Manual 5-spd |
| Drivetrains | Rear-Wheel Drive, All-Wheel Drive, 4-Wheel Drive | All-Wheel Drive, Front-Wheel Drive |
| Fuel types | Premium | Regular, Premium |
| EPA class | Minicompact Cars | Minicompact Cars |
| Years covered | 2015–2026 | 2015–2023 |
| Configurations on record | 361 | 33 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
911 vs 500: common questions
Which is better on gas, the Porsche 911 or the Fiat 500?
The Fiat 500 is the more efficient of the two: it reaches 34 mpg combined versus 25 mpg for the Porsche 911, a 9 mpg advantage and costs about $800 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Fiat 500 runs about $2,250 a year in fuel at its most efficient configuration, versus about $3,050 for the Porsche 911 — a difference of roughly $800 per year.
What engines do the 911 and 500 offer?
Porsche 911: SIDI. Fiat 500: 1.3, SIDI, 1.4.
Are they in the same vehicle class?
Yes — the EPA classifies both the Porsche 911 and the Fiat 500 as Minicompact Cars, so they compete directly.
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Comparison id: porsche-911-vs-fiat-500