2015 Infiniti Q50 MOT pass rate: 79.1% (2,220 tests)

2015-registered Infiniti Q50s passed 79.1% of 2,220 MOT tests in 2023–2025 — broadly in line with same-age cars (78.8%).

79.1%Pass rate, 2015 cars

100.4Age-adjusted index (100 = average)

2,220Tests analysed

77,922 miMedian mileage at test

86.7% / 77.8%Petrol vs diesel pass rate

Is the 2015 Q50 getting worse?

Pass rate of 2015-registered cars across recent test years:

Test year	Pass rate
2023	80.0% -0.6 vs same-age
2024	78.3% -0.2 vs same-age
2025	79.1% +2.0 vs same-age

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2015 Q50

#	System	Defects recorded	Share
1	Brakes	338	31.3%
2	Tyres	235	21.8%
3	Suspension	212	19.6%
4	Lamps, reflectors and electrical equipment	158	14.6%
5	Visibility	48	4.4%
6	Body, chassis, structure	33	3.1%

All Q50 years compared

Registration year	Tests	Pass rate	Vs same-age	Median mileage
2015 (this page)	2,220	79.1%	+0.4 pts	77,922
2016	1,880	82.1%	+0.8 pts	71,724

Buying a 2015 Q50? Two checks first

Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
Autel UK testersAutel professional-grade diagnostic testers

FAQs

Is a 2015 Infiniti Q50 reliable?

2015-registered examples passed 79.1% of their MOT tests (2,220 tests, 2023–2025), +0.4 points versus all UK cars registered in the same year. At roughly 11 years old with a median 77,922 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2015 Q50?

The median tested example shows 77,922 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.