Toyota IQ MOT failures and reliability

In 2023 the Toyota IQ took 17,207 MOT tests in Britain and passed 77% of them first time, above the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.

MOT tests in 2023: 17,207
First-time pass rate: 77%
All cars: 71%

What the IQ fails on

Share of tests with at least one failure in each area, against the figure for all cars.

Lights and electrics9.6% (all cars 11.3%)
Visibility6.1% (all cars 4.8%)
Brakes5.9% (all cars 6.8%)
Suspension4.9% (all cars 9.0%)
Tyres3.6% (all cars 6.4%)
Exhaust and emissions1.7% (all cars 3.1%)
Body and structure1.3% (all cars 3.5%)
Seat belts and airbags0.5% (all cars 1.0%)

Most common failure items

Share of tests on which each item was recorded.

Wipers: does not clear the windscreen effectively 3.4%
Position lamp: not working 2.9%
Rigid brake pipes: excessively corroded 1.9%
Washers: provides insufficient washer liquid 1.9%
Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt 1.8%
Brake pads: less than 1.5 mm thick 1.7%
Tread depth: tread depth below requirements of 1.6mm 1.7%
Stop lamp: not working 1.5%

Most common advisories

Tyres, condition: slightly damaged/cracking or perishing 12.8%
Tread depth: worn close to legal limit/worn on edge 11.5%
Brake discs: worn, pitted or scored, but not seriously weakened 11.0%
Brake pads: wearing thin 8.5%
Rigid brake pipes: corroded, covered in grease or other material 8.1%
Coil spring: corroded 4.2%
Suspension arms, pins and bushes: pin or bush worn but not resulting in excessive movement 3.1%
Registration plates: deteriorated but not likely to be misread 3.1%

Pass rate by year of registration

Older cars fail more often whatever the model, so compare a car with others of the same age.

First registered	Tests	Pass rate
2009	6,345	74%
2010	3,830	75%
2011	2,519	76%
2012	2,340	80%
2013	1,302	82%
2014	836	87%

Typical mileage by age

Average odometer reading at the MOT, by the car's age in years at the test.

Age at test	Average mileage
9 years	43,054 miles
10 years	48,392 miles
11 years	57,215 miles
12 years	63,373 miles
13 years	70,140 miles
14 years	73,453 miles

Check a particular IQ

Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.

Other Toyota models

Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.