Buying Report · £14.99
Tools

Common problems by part

Mitsubishi Outlander exhaust, emissions and leaks problems

DVSA MOT tests 2022–2025 · 44,426 MOT tests · Updated

At 7 years, 0.7 in 100 MOT tests of the Mitsubishi Outlander failed on exhaust, emissions and leaks, against 1.7 for all class 4 vehicles the same age (all test years; 44,426 MOT tests) [1].

Buying Report £14.99 incl. VAT · one car · no subscription · Not a mechanical inspection.

  • Against all class 4 vehicles the same age: about average for all class 4 vehicles the same age (all test years), 293 MOT tests with a fail
  • By age: seen at 16 ages from 3 to 18 years, 305,188 MOT tests
  • MOT tests at 7 years: 44,426 for the Mitsubishi Outlander

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

What the MOT tests show

What we know

0.7 fails per 100 MOT tests at 7 years, against 1.7 for all class 4 vehicles tested at 7 (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.

Mitsubishi Outlander exhaust, emissions and leaks fails by age

Mitsubishi Outlander exhaust, emissions and leaks fails per 100 MOT tests by ageSolid line: the Mitsubishi Outlander. Dashed line: all cars the same age. The table below lists every value.053 years: 0.1 per 100 (all cars 0.5), 17,050 MOT tests34 years: 0.3 per 100 (all cars 0.7), 27,819 MOT tests5 years: 0.5 per 100 (all cars 1.0), 34,185 MOT tests56 years: 0.6 per 100 (all cars 1.3), 39,941 MOT tests7 years: 0.7 per 100 (all cars 1.7), 44,426 MOT tests78 years: 0.8 per 100 (all cars 2.1), 40,578 MOT tests9 years: 1.0 per 100 (all cars 2.4), 33,553 MOT tests910 years: 1.4 per 100 (all cars 2.8), 23,259 MOT tests11 years: 2.8 per 100 (all cars 3.2), 11,839 MOT tests1112 years: 5.4 per 100 (all cars 3.7), 6,318 MOT tests13 years: 6.8 per 100 (all cars 4.3), 5,619 MOT tests1314 years: 6.8 per 100 (all cars 5.1), 6,280 MOT tests15 years: 7.8 per 100 (all cars 5.7), 6,242 MOT tests1516 years: 7.2 per 100 (all cars 6.2), 4,183 MOT tests17 years: 7.3 per 100 (all cars 6.5), 2,563 MOT tests1718 years: 8.1 per 100 (all cars 6.8), 1,333 MOT tests
Fails per 100 MOT tests by age, all first-use years pooled. Mitsubishi Outlander All class 4 vehicles the same age
AgeMOT testsFails per 100All class 4 vehicles the same age
317,0500.10.5
427,8190.30.7
534,1850.51.0
639,9410.61.3
744,4260.71.7
840,5780.82.1
933,5531.02.4
1023,2591.42.8
1111,8392.83.2
126,3185.43.7
135,6196.84.3
146,2806.85.1
156,2427.95.7
164,1837.26.2
172,5637.36.5
181,3338.16.8

All first-use years of the Mitsubishi Outlander 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 7 years

Advisories (not fails)

Buying a Mitsubishi Outlander? Check that exact car before the viewing.

Buying Report £14.99 incl. VAT · one car · no subscription · Not a mechanical inspection.

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

See a sample report

By engine and fuel

  • 2.0 hybrid: 0.1 per 100 at 7 years, about average for hybrid class 4 vehicles the same age (all test years; 31,730 MOT tests)
  • 2.4 hybrid: 0.1 per 100 at 7 years, about average for hybrid class 4 vehicles the same age (all test years; 4,242 MOT tests)
  • 2.3 diesel: 2.9 per 100 at 7 years, fails 1.2–1.6× as often as diesel class 4 vehicles the same age (all test years; 7,973 MOT tests)

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 Mitsubishi Outlander, not the average

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

Other Mitsubishi Outlander problems

Exhaust, emissions and leaks on rival models

Questions people ask

Does the Mitsubishi Outlander have more exhaust, emissions and leaks problems than other cars?

0.7 in 100 MOT tests at 7 years, against 1.7 for all class 4 vehicles the same age: about average by our test (all test years; 44,426 MOT tests).

How common are Mitsubishi Outlander exhaust, emissions and leaks problems?

0.7 in 100 MOT tests at 7 years failed on exhaust, emissions and leaks, against 1.7 for all class 4 vehicles the same age (all test years; 44,426 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, 305,188 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