Infiniti
Running costs, reliability, and MOT data for 15 models from 18,555 MOT tests (DVSA MOT data for tests in 2024, retests included).
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Avg Pass Rate
87%
Total Tests
18,555
Models
15
Years Covered
2010-2019
About Infiniti Cars
Infiniti ranks joint 25th out of 70 car makes in our data (those with at least 1,000 MOT tests) by average MOT pass rate, at 87%. That's slightly above the 85% average across all models in our data, putting Infiniti in solid middle ground for reliability.
With 15 models across 10 years of data (2010 to 2019), there's a narrow spread of just 4 percentage points between models, meaning Infiniti reliability is fairly consistent across the range.
Most and Least Reliable Infiniti Models
The Q30 leads the range with a 90% average pass rate from 8,725 tests. At the other end, the Q50 has the lowest at 86%. Overall, more than half of Infiniti's models have a pass rate of 85% or more, which is a good sign for the brand.
Infiniti Fuel Types
Infiniti models in our data come in 4 petrol, 10 diesel variants (each model counted once, under the fuel type recorded for most of its tests). Both petrol and diesel options are available across the range.
Estimated Running Costs
Based on most recent year, 7,400 miles/year and average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026). Insurance not included.
Full detailsHow reliable is Infiniti?
All Infiniti Models
Click any model to see detailed year-by-year reliability data, running costs, and comparisons.
| Model | Years | Pass Rate | Tests | Fuel | |
|---|---|---|---|---|---|
| Q30 | 4 yrs | 90% | 8,725 | Diesel | |
| Q50 | 7 yrs | 86% | 4,769 | Diesel, Petrol, Hybrid | |
| QX70 | 3 yrs | 90% | 939 | Petrol, Diesel | |
| FX | 4 yrs | 87% | 916 | Diesel | |
| Q70 | 3 yrs | 85% | 643 | Diesel | |
| QX30 | 4 yrs | 89% | 594 | Diesel | |
| FX30D Auto | 3 yrs | 89% | 462 | Diesel | |
| M | 4 yrs | 87% | 361 | Petrol, Diesel, Hybrid | |
| Q60 | 3 yrs | 91% | 312 | Petrol | |
| Ex | 3 yrs | 80% | 237 | Diesel | |
| G | 3 yrs | 85% | 208 | Petrol | |
| M35H Auto | 2 yrs | 84% | 178 | Other fuel, Petrol | |
| QX50 | 2 yrs | 89% | 143 | Diesel | |
| FX50 S Auto | 1 yr | 87% | 38 | Diesel | |
| EX30D Auto | 1 yr | 70% | 30 | Diesel |
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