Fiat 500 vs Mazda 3
This page compares the Fiat 500 and the Mazda 3 across the 12 model years both appear in our data (2012–2023). Both are classed as Hatchback on this site. On its most efficient configuration the Mazda 3 averages about 38 mpg (UK) against 36 mpg for the Fiat 500. NHTSA lists fewer recall campaigns per model year for the Mazda 3 (2.8 against 3.4), though campaign counts depend on how long each model has been on sale and how many variants share a campaign.
Head-to-Head: 2012–2023
| Measure | Fiat 500 | Mazda 3 |
|---|---|---|
| Average best-configuration economy (mpg, UK) | 36 | 38 |
| Average CO₂ (g/km) | 187 | 175 |
| Average estimated annual fuel cost (US EPA) | $2,546 | $2,129 |
| Average passenger volume (cu ft, EPA) | 79 | 94 |
| Model years rated 5★ overall by NHTSA | 0 of 6 | 9 of 11 |
| Average recall campaigns per model year | 3.4 | 2.8 |
| Average owner complaints per model year | 116 | 99 |
| Engine options across these years | 3 | 3 |
Year by Year
| Year | Fiat 500 MPG (UK) | NHTSA | Recalls | Complaints | Mazda 3 MPG (UK) | NHTSA | Recalls | Complaints |
|---|---|---|---|---|---|---|---|---|
| 2012 | 38 | 3★ | 4 | 396 | 38 | 4★ | 1 | 226 |
| 2013 | 41 | 4★ | 4 | 165 | 38 | 4★ | 1 | 117 |
| 2014 | 40 | 4★ | 4 | 124 | 40 | 5★ | 4 | 138 |
| 2015 | 41 | 4★ | 4 | 92 | 40 | 5★ | 4 | 129 |
| 2016 | 41 | 4★ | 4 | 14 | 40 | 5★ | 6 | 103 |
| 2017 | 41 | 4★ | 2 | 14 | 38 | 5★ | 2 | 83 |
| 2018 | 36 | — | 2 | 5 | 37 | 5★ | 4 | 108 |
| 2019 | 36 | — | — | — | 36 | — | 6 | 74 |
| 2020 | 31 | — | — | — | 36 | 5★ | 2 | 32 |
| 2021 | 31 | — | — | — | 37 | 5★ | 1 | 52 |
| 2022 | 31 | — | — | — | 37 | 5★ | 0 | 24 |
| 2023 | 31 | — | — | — | 37 | 5★ | 0 | 12 |
MPG is each model year's most efficient configuration (US EPA, converted to UK mpg). Recalls and complaints are NHTSA counts as of 6 October 2026; complaints are unverified owner reports and rise with sales volume. See each model's full history: Fiat 500 · Mazda 3.
Frequently Asked Questions
Which is more fuel-efficient, the Fiat 500 or the Mazda 3?
On its most efficient configuration the Mazda 3 averages about 38 mpg (UK) against 36 mpg for the Fiat 500. Figures are the US EPA combined result converted to UK mpg, averaged over the shared model years; individual engines and years differ, so check the year pages for the exact car.
Which has better NHTSA safety ratings?
The Fiat 500 has 0 of 6 model years rated 5★ overall in these years and the Mazda 3 has 9 of 11. NHTSA ratings are only comparable between vehicles of similar size and weight, and the test criteria have changed over time.
Which has more recalls and owner complaints?
Per model year, the Fiat 500 averages 3.4 recall campaigns and 116 owner complaints; the Mazda 3 averages 2.8 and 99. Complaint counts are unverified owner reports and rise with sales volume, so use them as a pointer for what to inspect, not as a reliability ranking.
Where do these comparison figures come from?
Fuel economy, CO₂ and interior volume come from the US EPA's fueleconomy.gov data; ratings, recalls and complaints come from NHTSA. Only model years where both cars have data are compared.
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