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Infiniti reliability and common MOT problems by model

Infiniti shows a 13.0% combined MOT failure rate across 8,414 tests in MOTIntel data. Q30 has one of the lower high-confidence rates at 11.4%. Q30 deserves extra checking at 11.4%.

Statistics are built from DVSA MOT tests carried out in calendar year 2023, plus official recall records and MOT fault wording data. Report index generated 2026-05-09.

Most reliable Infiniti models in MOT data

#	Model	MOT failure rate	Tests	Vehicles
1	Infiniti Q30	11.4%	5,422 tests	4,654 vehicles

Infiniti models with the highest MOT failure rates

#	Model	MOT failure rate	Tests	Vehicles
1	Infiniti Q30	11.4%	5,422 tests	4,654 vehicles

Common Infiniti MOT problem areas

#	Problem area	MOT notes	Models affected	What to check	High-rate examples
1	Suspension and steering	276 MOT notes	1 models	Listen for knocks, check uneven tyre wear, and ask whether worn joints or bushes have been replaced.	Infiniti Q30
2	Windscreen, wipers, and mirrors	222 MOT notes	1 models	Check the windscreen, wipers, washers, mirrors, chips, cracks, and whether the driver's view is clear.	Infiniti Q30
3	Lights and electrical	166 MOT notes	1 models	Test every exterior light, warning lamp, horn, washer, and basic electrical function before buying.	Infiniti Q30
4	Tyres and wheels	152 MOT notes	1 models	Look for matching tyres, legal tread, sidewall damage, wheel damage, and uneven wear.	Infiniti Q30
5	Corrosion and structure	80 MOT notes	1 models	Inspect sills, subframes, suspension mounts, brake pipes, and previous welding or rust repairs.	Infiniti Q30
6	Emissions, engine, and exhaust	28 MOT notes	1 models	Check cold starts, exhaust smoke, warning lights, service history, and recent emissions repairs.	Infiniti Q30

All Infiniti model reports

Model	MOT tests	Vehicles	Failure rate
Q30	5,422	4,654	11.4%
Q50 limited data	2,992	2,440	15.7%

Models with limited data (fewer than 20,000 tests or 10,000 vehicles) have full reports but are not indexed in search engines until the evidence threshold is met.