CarCostCheck

INFINITI Q50 (2014)

Running costs, common problems, and reliability data based on 749 real MOT tests in 2024.

MOT Pass Rate

82%

Total Tests (2024)

749

Avg Mileage

88,032 mi

Est. Annual Cost

£1,900

Is the 2014 INFINITI Q50 reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the INFINITI brand average of 87%.

At 10 years old, 82% of INFINITI Q50s from 2014 passed their MOT first time in 2024. That's based on 749 tests across the UK. The average mileage at this age is 88,032 miles.

How does the 2014 INFINITI Q50 compare?

Rank among all 2014 cars354th out of 562(top 63%)
Rank among all INFINITI models39th out of 47(top 83%)
vs national average+0% (82% avg)
vs 2014 cars average+1% (81% avg)
vs INFINITI average-5% (87% avg)

Mileage Analysis

The average 2014 INFINITI Q50 has 88,032 miles on the clock, which is in line with the expected 74,000 miles for a 10-year-old car, suggesting normal everyday use.

Best year to buy a INFINITI Q50?

The most reliable year is the 2017 model with a 88% MOT pass rate, while the 2014 model has the lowest at 82%. Consider a different year if reliability is a priority.

How much does a 2014 INFINITI Q50 cost to run?

Fuel (Diesel, 2143cc)
£1,245
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,900
Per month£158/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

INFINITI Q50 by Year

YearPass RateTestsAvg Mileage
2019100%4533,181 mi
201887%52256,669 mi
201788%78169,342 mi
201685%1,19677,912 mi
201583%1,43682,491 mi
201482%74988,032 mi
201378%4096,203 mi

Checking a specific INFINITI Q50?

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About the 2014 INFINITI Q50

The 2014 INFINITI Q50 is a premium with a 2143cc diesel engine. 749 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2014, the average MOT pass rate is 81%, and this model beats that benchmark.

With an average of 88,032 miles at 10 years old, INFINITI Q50 owners drive about as much as the UK average.

2014 INFINITI Q50 Fuel Costs

The 2143cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2014 INFINITI Q50?

Total estimated annual running cost is £1,900 158/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 82% pass rate. Keeping on top of servicing will help avoid surprises.

INFINITI Q50 Reliability Trend

Newer INFINITI Q50s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.

Buying a Used 2014 INFINITI Q50

At 10 years old, the INFINITI Q50 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age.

Alternatives to the 2014 INFINITI Q50

If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines: