Infiniti Q50 MOT reliability

Infiniti Q50s passed their MOT first time 76% of the time across 2,421 tests in 2025. 2,136 are still licensed in Great Britain.

First-time pass rate

76%

MOTs analysed

2,421

Still licensed (GB)

2,136

Body type

Sedan

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

2017 diesel

365 MOTs

Passed first time 75%. Typical mileage 73,311 (most between 55,674 and 94,664).

2018: 100% → 2019: 82% → 2020: 90% → 2021: 85% → 2022: 84% → 2023: 83% → 2024: 81% → 2025: 75%

Most common failures

Malfunction indicator lamp: inoperative or indicates a malfunction (3.8%)
Brake pads: less than 1.5 mm thick (3.8%)
Linkage ball joints: ball joint excessively worn (3.3%)
Condition: has ply or cords exposed (3.3%)
Tread depth below requirements of 1.6mm (3.0%)

2017 hybrid

39 MOTs

These figures come from 39 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

Passed first time 85%. Typical mileage 65,388 (most between 49,759 and 79,760).

2019: 100% → 2020: 91% → 2021: 89% → 2022: 93% → 2023: 90% → 2024: 94% → 2025: 85%

Most common failures

Condition: has ply or cords exposed (7.7%)
Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (5.1%)
Rbt (sp): efficiency below requirements (2.6%)
Rigid brake pipes: excessively damaged (2.6%)
Condition: buckle not functioning as intended (2.6%)

2017 petrol

5 MOTs

These figures come from only 5 MOT tests. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 80%. Typical mileage 63,943 (most between 49,579 and 75,439).

2020: 100% → 2021: 100% → 2022: 67% → 2023: 75% → 2024: 60% → 2025: 80%

Most common failures

Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (20.0%)

2017 gb

1 MOT

These figures come from only 1 MOT test. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 100%. Typical mileage 101,142 (most between 101,142 and 101,142).

2020: 100% → 2021: 100% → 2022: 100% → 2023: 100% → 2024: 100% → 2025: 100%

Most common failures

Where 2017 Q50s fail

Wheels & tyres

9.3%

Brakes

7.4%

Suspension & axles

7.1%

Exhaust, emissions & leaks

4.4%

Lights & electrics

3.6%

Visibility & wipers

3.6%

Body, structure & corrosion

0.5%

Steering

0.3%

Looking at a particular car?

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Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.