INFINITI M (2012)
Running costs, common problems, and reliability data based on 155 real MOT tests in 2024.
MOT Pass Rate
78%
Total Tests (2024)
155
Avg Mileage
104,264 mi
Est. Annual Cost
£2,397
Is the 2012 INFINITI M reliable?
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the INFINITI brand average of 87%.
At 12 years old, 78% of INFINITI Ms from 2012 passed their MOT first time in 2024. That's based on 155 tests across the UK. The average mileage at this age is 104,264 miles.
How does the 2012 INFINITI M compare?
Mileage Analysis
The average 2012 INFINITI M has 104,264 miles on the clock, which is in line with the expected 88,800 miles for a 12-year-old car, suggesting normal everyday use.
Best year to buy a INFINITI M?
The most reliable year is the 2014 model with a 92% MOT pass rate, while the 2012 model has the lowest at 78%. Consider a different year if reliability is a priority.
How much does a 2012 INFINITI M cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
INFINITI M by Year
Checking a specific INFINITI M?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2012 INFINITI M
The 2012 INFINITI M is a premium performance with a 3696cc petrol engine. 155 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2012, the average MOT pass rate is 78%, and this model falls short of that benchmark.
With an average of 104,264 miles at 12 years old, INFINITI M owners drive about as much as the UK average.
2012 INFINITI M Fuel Costs
The 3696cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2012 INFINITI M?
Total estimated annual running cost is £2,397 (£200/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% pass rate. Keeping on top of servicing will help avoid surprises.
INFINITI M Reliability Trend
Newer INFINITI Ms show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Buying a Used 2012 INFINITI M
At 12 years old, the INFINITI M 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 2012 INFINITI M
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- MERCEDES E (2010) 80% pass rate (+2%) from 25,610 tests
- PORSCHE CAYENNE (2014) 91% pass rate (+13%) from 5,626 tests
- PORSCHE 911 (2014) 96% pass rate (+18%) from 4,806 tests
- BENTLEY CONTINENTAL (2014) 97% pass rate (+19%) from 3,031 tests