Infiniti M
Reliability, estimated running costs, and MOT data across 4 model years from 361 MOT tests in 2024.
Avg Pass Rate
87%
Total Tests
361
Model Years
2011 to 2014
Years Covered
4
About the Infiniti M
The Infiniti M was MOT tested 361 times in 2024 (DVSA data, retests included) across 4 model years (2011 to 2014), with an average pass rate of 87%. That's slightly above the average of 82% across all models in our data. Our records list petrol and diesel and hybrid versions.
Mileage Across Years
The oldest model in our data (2011) averages 94,553 miles, while the newest (2014) averages 79,054 miles.
Estimated Running Costs
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 2014 detailsHow reliable is the Infiniti M?
Infiniti M by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Infiniti M
Is the Infiniti M reliable?
Across its 4 model years in our data (2011 to 2014), the Infiniti M averages an 87% MOT pass rate, from 361 tests (DVSA MOT data for tests in 2024, retests included). That's 5 points above the average of 82% across all models in the same data.
Infiniti M Guides & Articles
Cheapest Cars to Run in 2026: Running Costs From DVSA MOT Data
9 min read
Reliability20 Most Reliable Used Cars UK 2026: Real MOT Pass Rate Rankings
10 min read
ReliabilityMost Reliable Used Cars UK 2026 (Ranked With Real MOT Data)
11 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
ReliabilityFord Puma Common Problems: 7 Issues That Could Cost £1,500+ (2026)
13 min read
Checking a specific Infiniti M?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.