Infiniti Q50

Reliability, estimated running costs, and MOT data across 7 model years from 4,769 MOT tests in 2024.

Avg Pass Rate

86%

Total Tests

4,769

Highest Pass Rate

2017 (88%)

Years Covered

About the Infiniti Q50

The Infiniti Q50 was MOT tested 4,769 times in 2024 (DVSA data, retests included) across 7 model years (2013 to 2019), with an average pass rate of 86%. That's slightly above the average of 82% across all models in our data. Our records list diesel and petrol and hybrid versions.

Best and Worst Years

Of the years with at least 100 tests, the 2017 model has the highest pass rate at 88% from 781 tests. The 2014 model has the lowest at 82%. The 6 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer Infiniti Q50s pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2013) averages 96,203 miles, while the newest (2019) averages 33,181 miles.

Estimated Running Costs

Fuel (Hybrid, 3498cc)

£1,958

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,413

Per month£201/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2019 details

How reliable is the Infiniti Q50?

vs average of all models+4% (82% avg)

vs Infiniti brand average-1% (87% avg)

Best to worst year spread6 percentage points

Reliability trendImproving over years

Infiniti Q50 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2019	100%	45	33,181 mi
2018	87%	522	56,669 mi
2017	88%	781	69,342 mi
2016	85%	1,196	77,912 mi
2015	83%	1,436	82,491 mi
2014	82%	749	88,032 mi
2013	78%	40	96,203 mi

Questions about the Infiniti Q50

Is the Infiniti Q50 reliable?

Across its 7 model years in our data (2013 to 2019), the Infiniti Q50 averages an 86% MOT pass rate, from 4,769 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points above the average of 82% across all models in the same data. The 2017 model has the highest pass rate of the years with at least 100 tests, at 88%.

Which year Infiniti Q50 has the best MOT pass rate?

Of the years with at least 100 tests, the 2017 Infiniti Q50 has the highest MOT pass rate at 88%, while the 2014 model has the lowest at 82%, a 6 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.