Buying Report · £14.99
Tools

Common problems by part

Toyota iQ seat belts and airbags problems

DVSA MOT tests 2022–2025 · 15,128 MOT tests · Updated

At 13 years, 0.7 in 100 MOT tests of the Toyota iQ failed on seat belts and airbags, against 1.2 for all class 4 vehicles the same age (all test years; 15,128 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), 108 MOT tests with a fail
  • By age: seen at 8 ages from 9 to 16 years, 67,409 MOT tests
  • Most common fail: Airbag (SRS) warning light on, 0.6 per 100 MOT tests

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 13 years, against 1.2 for all class 4 vehicles tested at 13 (all test years). That is about average.

Why it matters

A seat belts and airbags fail stops the car passing until it is fixed; the most common one is rated major by DVSA.

What to check

Pull every seat belt out fully and let it retract, check each buckle latches and releases, and make sure the airbag light goes out after start-up.

Toyota iQ seat belts and airbags fails by age

Toyota iQ seat belts and airbags fails per 100 MOT tests by ageSolid line: the Toyota iQ. Dashed line: all cars the same age. The table below lists every value.0129 years: 0.2 per 100 (all cars 0.6), 2,162 MOT tests910 years: 0.2 per 100 (all cars 0.7), 4,483 MOT tests1011 years: 0.3 per 100 (all cars 0.9), 7,051 MOT tests1112 years: 0.4 per 100 (all cars 1.0), 9,967 MOT tests1213 years: 0.7 per 100 (all cars 1.2), 15,128 MOT tests1314 years: 0.7 per 100 (all cars 1.5), 12,611 MOT tests1415 years: 1.0 per 100 (all cars 1.7), 9,943 MOT tests1516 years: 1.3 per 100 (all cars 2.1), 6,064 MOT tests16
Fails per 100 MOT tests by age, all first-use years pooled. Toyota iQ All class 4 vehicles the same age
AgeMOT testsFails per 100All class 4 vehicles the same age
92,1620.20.6
104,4830.20.7
117,0510.30.9
129,9670.41.0
1315,1280.71.2
1412,6110.71.5
159,9431.01.7
166,0641.32.1

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

What fails in the seat belts and airbags at 13 years

Fails

  • Airbag (SRS) warning light on: 0.6 fails per 100 MOT tests, all class 4 vehicles 0.6. Diagnose and fix airbag (SRS) warning: estimated £39–£317 (0.5–1.5 h at £78/h (ONS local-garage repair quotes, 1,058 quotes from 65 garages, Sep 2025 to Aug 2026) + parts £0–£200) Airbag (SRS) warning lamp indicates a fault MOT fail

Diagnose and fix airbag (SRS) warning cost

Repair figures are estimates, not quotes: how we estimate repair costs.

Buying a Toyota iQ? 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

How to check on a test drive

Pull every seat belt out fully and let it retract, check each buckle latches and releases, and make sure the airbag light goes out after start-up.

Check one Toyota iQ, not the average

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

Other Toyota iQ problems

Seat belts and airbags on rival models

Questions people ask

Does the Toyota iQ have more seat belts and airbags problems than other cars?

0.7 in 100 MOT tests at 13 years, against 1.2 for all class 4 vehicles the same age: about average by our test (all test years; 15,128 MOT tests).

How common are Toyota iQ seat belts and airbags problems?

0.7 in 100 MOT tests at 13 years failed on seat belts and airbags, against 1.2 for all class 4 vehicles the same age (all test years; 15,128 MOT tests).

What is the most common Toyota iQ seat belts and airbags fail?

0.6 in 100 MOT tests at 13 years: Airbag (SRS) warning light on (89 MOT tests with it).

Sources

  1. Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 67,409 MOT tests. Accessed 7 Oct 2026.
  2. Office for National Statistics, Consumer price inflation, local price quotes (car repair items). ONS price quotes, series 610236. 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