Honda Civic vs Mazda 3: Which is Better? (2026)
Side-by-side comparison of the Honda Civic and Mazda 3, covering MOT pass rates, running costs, common faults, and overall reliability. Based on 696,276 real MOT tests.
Quick Verdict
The Honda Civic edges ahead in this comparison with a 79% MOT pass rate versus 79% for the Mazda 3. The difference is modest, so both are reasonable choices. The Honda Civic has a slight reliability advantage, while the Mazda 3 may offer other benefits depending on your priorities.
Honda Civic
79%
MOT pass rate
507,314 tests
Mazda 3
79%
MOT pass rate
188,962 tests
Full Comparison: Honda Civic vs Mazda 3
| Category | Honda Civic | Mazda 3 |
|---|---|---|
| MOT Pass Rate | 79% | 79% |
| MOT Fail Rate | 21% | 21% |
| vs National Avg | -3 pts | -3 pts |
| Est. Fuel Cost (8,000 mi/yr) | £1,434 | £1,434 |
| Insurance Group | 10-20 | 15-25 |
| Est. Depreciation/yr | £1,200-£2,200 | £1,500-£3,000 |
| Engine Size | 1.7L | 1.8L |
| Fuel Type(s) | Petrol, Diesel | Petrol, Diesel |
| Segment | Family car | Family car |
| Avg Mileage | 90,210 mi | 73,906 miWinner |
| MOT Tests Analysed | 507,314 | 188,962 |
| Model Years | 32 years | 19 years |
| Best Year | 2020 (93%) | 2022 (98%)Winner |
| Worst Year | 2001 (70%)Winner | 2004 (65%) |
| Reliability Trend | Improving | Improving |
Common Problems Comparison
Honda Civic Known Issues
- •DPF and emissions issues (diesel models)
- •Suspension wear on older models
- •Lighting defects (common on all cars)
Mazda 3 Known Issues
- •DPF and emissions issues (diesel models)
- •Suspension wear on older models
- •Lighting defects (common on all cars)
Check a Specific Honda Civic
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Check a Specific Mazda 3
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Honda Civic vs Mazda 3 FAQ
Which is more reliable, the Honda Civic or Mazda 3?
Based on MOT data, the Honda Civic is more reliable with a 79% pass rate, compared to 79% for the Mazda 3.
Which is cheaper to run?
At 8,000 miles per year, the Honda Civic costs around £1,434 in fuel, while the Mazda 3 costs around £1,434. The Honda Civic is cheaper on fuel. Insurance, depreciation, and repair costs also factor into total running costs.
Should I buy a Honda Civic or Mazda 3?
The Honda Civic edges ahead in this comparison with a 79% MOT pass rate versus 79% for the Mazda 3. The difference is modest, so both are reasonable choices. The Honda Civic has a slight reliability advantage, while the Mazda 3 may offer other benefits depending on your priorities.
Honda Civic Running Costs
Full breakdown of annual costs, reliability, and MOT data
Mazda 3 Running Costs
Full breakdown of annual costs, reliability, and MOT data
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