Honda Civic 5Dr vs Mazda 3
This page compares the Honda Civic 5Dr and the Mazda 3 across the 10 model years both appear in our data (2017–2026). Both are classed as Hatchback on this site. On its most efficient configuration the Honda Civic 5Dr averages about 41 mpg (UK) against 37 mpg for the Mazda 3. NHTSA lists fewer recall campaigns per model year for the Mazda 3 (2.5 against 4.8), though campaign counts depend on how long each model has been on sale and how many variants share a campaign.
Head-to-Head: 2017–2026
| Measure | Honda Civic 5Dr | Mazda 3 |
|---|---|---|
| Average best-configuration economy (mpg, UK) | 41 | 37 |
| Average CO₂ (g/km) | 162 | 180 |
| Average estimated annual fuel cost (US EPA) | $1,935 | $2,185 |
| Average passenger volume (cu ft, EPA) | 98 | 94 |
| Model years rated 5★ overall by NHTSA | 6 of 6 | 9 of 9 |
| Average recall campaigns per model year | 4.8 | 2.5 |
| Average owner complaints per model year | 466 | 62 |
| Engine options across these years | 3 | 3 |
Year by Year
| Year | Honda Civic 5Dr MPG (UK) | NHTSA | Recalls | Complaints | Mazda 3 MPG (UK) | NHTSA | Recalls | Complaints |
|---|---|---|---|---|---|---|---|---|
| 2017 | 41 | 5★ | 6 | 597 | 38 | 5★ | 2 | 83 |
| 2018 | 41 | 5★ | 6 | 596 | 37 | 5★ | 4 | 108 |
| 2019 | 41 | 5★ | 4 | 346 | 36 | — | 6 | 74 |
| 2020 | 41 | 5★ | 5 | 226 | 36 | 5★ | 2 | 32 |
| 2021 | 41 | 5★ | 4 | 145 | 37 | 5★ | 1 | 52 |
| 2022 | 42 | 5★ | 4 | 883 | 37 | 5★ | 0 | 24 |
| 2023 | 42 | — | — | — | 37 | 5★ | 0 | 12 |
| 2024 | 42 | — | — | — | 36 | 5★ | 3 | 12 |
| 2025 | 41 | — | — | — | 37 | 5★ | 0 | 8 |
| 2026 | 41 | — | — | — | 36 | 5★ | 0 | 1 |
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: Honda Civic 5Dr · Mazda 3.
Frequently Asked Questions
Which is more fuel-efficient, the Honda Civic 5Dr or the Mazda 3?
On its most efficient configuration the Honda Civic 5Dr averages about 41 mpg (UK) against 37 mpg for the Mazda 3. 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 Honda Civic 5Dr has 6 of 6 model years rated 5★ overall in these years and the Mazda 3 has 9 of 9. 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 Honda Civic 5Dr averages 4.8 recall campaigns and 466 owner complaints; the Mazda 3 averages 2.5 and 62. 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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