Fiat 500 vs Porsche 911
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 | Fiat 500 | Porsche 911 |
|---|---|---|
| Best combined MPG | 34 mpg ✓ | 25 mpg |
| Best city MPG | 31 mpg ✓ | 22 mpg |
| Best highway MPG | 38 mpg ✓ | 30 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,250 ✓ | $3,050 |
| Lowest CO2 output | 264 g/mi ✓ | 355 g/mi |
| Engines offered | 1.3, SIDI, 1.4 | SIDI |
| Transmissions | Automatic 9-spd, Automatic 6-spd, Manual 5-spd | Automatic (AM-S8), Manual 6-spd, Automatic (AM-S7) |
| Drivetrains | All-Wheel Drive, Front-Wheel Drive | Rear-Wheel Drive, All-Wheel Drive, 4-Wheel Drive |
| Fuel types | Regular, Premium | Premium |
| EPA class | Minicompact Cars | Minicompact Cars |
| Years covered | 2015–2023 | 2015–2026 |
| Configurations on record | 33 | 361 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
500 vs 911: common questions
Which is better on gas, the Fiat 500 or the Porsche 911?
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 500 and 911 offer?
Fiat 500: 1.3, SIDI, 1.4. Porsche 911: SIDI.
Are they in the same vehicle class?
Yes — the EPA classifies both the Fiat 500 and the Porsche 911 as Minicompact Cars, so they compete directly.
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Comparison id: fiat-500-vs-porsche-911