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4,137 tests in 2025

Toyota Gr Yaris reliability and MOT pass rate

93.9% passed first time. The 6.1% fail rate is 16.5 points better than the all-car average, on a median example 4 years old with 14,680 miles.

MOT pass rates / Toyota

Pass rate

93.9%

22.6% of all cars failed; 6.1% of these did.

Fixed on the day

1%

Passed after a defect was put right during the visit.

Median at test

14,680 mi

4 years old.

Fail rate by age

Age at testTestsFail rate
3-5 years4,1246.2%
6-9 years0—
10-13 years0—
14+ years0—

What the Gr Yaris fails on

Share of failed tests with at least one fail item in each DVSA inspection section. A test can fail in several sections at once.

  1. Tyres166 dangerous62.2%
  2. Noise, emissions and leaks20.1%
  3. Visibility7.1%
  4. Body, chassis, structure1 dangerous6.3%
  5. Brakes13 dangerous5.9%
  6. Lamps, reflectors and electrical equipment4.7%
  7. Identification of the vehicle3.1%
  8. Suspension2%

Is the Gr Yaris getting worse?

The fail rate rose 0.5 points to 6.2% from 2024 to 2025 while the median one tested aged 1 year, which is about what ageing alone predicts (1 point). Read it as the fleet getting older rather than the model changing.

YearTestsMedian ageFail rate All cars
20242,37035.7%23.2%
20253,81646.2%22.6%

Fail rate is first attempts at class 4 tests. Median age is the age of a typical Gr Yaris at its test that year, and it is the number to watch: across the whole fleet each extra year of age adds roughly 1.9 points to the fail rate, so a model whose age and fail rate rise together is simply getting older.

The exact defects that fail it

Every failure item DVSA recorded against a Gr Yaris in 2025, counted by how many tests each one appeared on.

  1. 1Condition: has ply or cords exposed89 tests
  2. 2Condition: has a cut in excess of the requirements deep enough to reach the ply or cords43 tests
  3. 3Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits42 tests
  4. 4Tread depth: tread depth below requirements of 1.6mm24 tests
  5. 5Exhaust system: has a major leak of exhaust gases14 tests
  6. 6Wipers: does not clear the windscreen effectively13 tests
  7. 7Brake pads: less than 1.5 mm thick10 tests
  8. 8Registration plates: does not conform to the specified requirements8 tests

What wears out first

Advisories are the tester flagging wear that is still legal. A typical Gr Yaris collects 1.95 of them per test, and these are the ones that come up most. Treat it as the running-repairs list for the next year or two.

  1. 1Tread depth: tread depth below requirements of 1.6mm350 tests
  2. 2Brake pads: less than 1.5 mm thick122 tests
  3. 3Brake discs: in such a condition that it is seriously weakened83 tests
  4. 4Condition: has a cut in excess of the requirements deep enough to reach the ply or cords56 tests
  5. 5Non-component advisories: Nail in tyre55 tests
  6. 6Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm42 tests
  7. 7Condition: has a tear, caused by separation or partial failure of its structure38 tests
  8. 8Condition: has a bulge, caused by separation or partial failure of its structure22 tests

Questions

What is the Toyota Gr Yaris MOT pass rate?

93.9% of the 4,137 Toyota Gr Yaris first-attempt MOTs in 2025 passed. The fail rate of 6.1% compares with 22.6% across all cars. A further 1% passed after a defect was fixed during the test visit.

What does a Toyota Gr Yaris usually fail on?

The single most common failure is "Condition: has ply or cords exposed", recorded on 89 failed tests, followed by "Condition: has a cut in excess of the requirements deep enough to reach the ply or cords" and "Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits". By section, tyres appears in 62.2% of failures, noise, emissions and leaks appears in 20.1% of failures, visibility appears in 7.1% of failures.

Does age change the odds?

Sharply. At 3 to 5 years old the fail rate was 6.2%; at 3-5 years it was 6.2%. The median Toyota Gr Yaris tested in 2025 was 4 years old with 14,680 miles.

Is the Toyota Gr Yaris getting less reliable?

The fail rate rose 0.5 points to 6.2% from 2024 to 2025 while the median one tested aged 1 year, which is about what ageing alone predicts (1 point). Read it as the fleet getting older rather than the model changing.

First-attempt class 4 tests, 2025, from DVSA’s anonymised MOT data (OGL v3, retrieved 2026-09-12). DVSA records newer cars trim by trim; this page adds every Gr Yaris trim together. Year-on-year figures come from the same DVSA extracts for 2026 and earlier years. Full method on the pass rates hub.

Other Toyota models

Checking a particular Gr Yaris?

The odds above are the model. The car in front of you has its own record: every test, every advisory, the mileage at each one.

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