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Honda Insight exhaust, emissions and leaks problems

DVSA MOT tests 2022–2025 · 7,923 MOT tests · Updated

At 13 years, 0.8 in 100 MOT tests of the Honda Insight failed on exhaust, emissions and leaks, against 4.3 for all class 4 vehicles the same age (all test years; 7,923 MOT tests) [1].

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  • Against all class 4 vehicles the same age: about average for all class 4 vehicles the same age (all test years), 60 MOT tests with a fail
  • By age: seen at 7 ages from 10 to 16 years, 34,023 MOT tests
  • MOT tests at 13 years: 7,923 for the Honda Insight

Figures are for the model as a whole, not for one car.

What the MOT tests show

What we know

0.8 fails per 100 MOT tests at 13 years, against 4.3 for all class 4 vehicles tested at 13 (all test years). That is about average.

Why it matters

An exhaust, emissions and leaks fail stops the car passing until it is fixed.

What to check

Start the car from cold and look for smoke at the exhaust, listen for blowing joints, and look under the engine and gearbox for fresh oil or fluid drips.

Honda Insight exhaust, emissions and leaks fails by age

Honda Insight exhaust, emissions and leaks fails per 100 MOT tests by ageSolid line: the Honda Insight. Dashed line: all cars the same age. The table below lists every value.024610 years: 1.2 per 100 (all cars 2.8), 2,401 MOT tests1011 years: 0.8 per 100 (all cars 3.2), 3,826 MOT tests1112 years: 0.7 per 100 (all cars 3.7), 6,343 MOT tests1213 years: 0.8 per 100 (all cars 4.3), 7,923 MOT tests1314 years: 0.7 per 100 (all cars 5.1), 6,621 MOT tests1415 years: 0.7 per 100 (all cars 5.7), 4,851 MOT tests1516 years: 0.7 per 100 (all cars 6.2), 2,058 MOT tests16
Fails per 100 MOT tests by age, all first-use years pooled. Honda Insight All class 4 vehicles the same age
AgeMOT testsFails per 100All class 4 vehicles the same age
102,4011.22.8
113,8260.83.2
126,3430.73.7
137,9230.84.3
146,6210.75.1
154,8510.75.7
162,0580.76.2

All first-use years of the Honda Insight pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years.

What fails in the exhaust, emissions and leaks at 13 years

Advisories (not fails)

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  • Model risks for this year and fuel
  • What similar cars did at their next MOT
  • Repairs ahead
  • Viewing checklist

See a sample report

How to check on a test drive

Start the car from cold and look for smoke at the exhaust, listen for blowing joints, and look under the engine and gearbox for fresh oil or fluid drips.

The most common advisory here in MOT records: Engine oil leaks: leak, but not excessive.

Check one Honda Insight, not the average

The figures here describe Honda Insight cars as a group. These free tools answer for one car. Each line says what the tool reads.

Other Honda Insight problems

Exhaust, emissions and leaks on rival models

Questions people ask

Does the Honda Insight have more exhaust, emissions and leaks problems than other cars?

0.8 in 100 MOT tests at 13 years, against 4.3 for all class 4 vehicles the same age: about average by our test (all test years; 7,923 MOT tests).

How common are Honda Insight exhaust, emissions and leaks problems?

0.8 in 100 MOT tests at 13 years failed on exhaust, emissions and leaks, against 4.3 for all class 4 vehicles the same age (all test years; 7,923 MOT tests).

Sources

  1. Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 34,023 MOT tests. Accessed 7 Oct 2026.

Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare