Kia Niro Reliability, MOT Pass Rate & Common Faults
Free Kia Niro car check
Is the Kia Niro reliable? We analysed 228,435 real MOT tests across 48,509 vehicles to find out.
Got a specific Kia Niro? Enter the reg for a free check:
The Kia Niro is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Kia Niro.
Kia Niro Number Plates
Number plates registered to a Kia Niro. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Kia Niro MOT Pass Rate by Year
How likely is a Kia Niro to pass its MOT? Here's the pass rate for each registration year, newest first.
Kia Niro Common Faults & Problems
These are the most common serious faults found on Kia Niro models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Kia Niro Mileage — What's Normal?
How many miles does a typical Kia Niro owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Kia Niro MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Kia Niro year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2023 | 59 | 98.3% | 5,580 | 29,028 | 68,160 |
| 2022 | 12,033 | 90.7% | 17,971 | 26,907 | 39,294 |
| 2021 | 27,981 | 89.9% | 19,302 | 29,120 | 43,019 |
| 2020 | 45,303 | 89.8% | 20,153 | 31,047 | 47,043 |
| 2019 | 49,486 | 88.7% | 24,256 | 39,254 | 64,436 |
| 2018 | 46,219 | 88.0% | 29,308 | 47,177 | 77,170 |
| 2017 | 33,295 | 88.4% | 28,837 | 44,159 | 65,893 |
| 2016 | 10,575 | 88.0% | 27,717 | 43,340 | 65,185 |
How Long Does a Kia Niro Last?
Based on 48,509 Kia Niro vehicles on UK roads.
Kia Niro Mileage Distribution
Total mileage recorded across all Kia Niro MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Kia Niro
Based on MOT pass rates across all registration years with sufficient test data.
98.3% MOT pass rate from 59 tests
88.0% MOT pass rate from 10,575 tests
The best year to buy a used Kia Niro is 2023, which has the highest MOT pass rate at 98.3% across 59 tests. The 2016 model year has the lowest pass rate at 88.0% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Kia Niro Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Kia Niro THIS CAR | 88.9% | 228,435 | 37,262 mi | 10 yrs |
| Kia Sportage | 80.4% | 2,634,551 | 53,679 mi | 26 yrs |
| Kia Picanto | 77.1% | 2,626,043 | 39,084 mi | 22 yrs |
| Kia Ceed | 76.1% | 1,665,385 | 60,630 mi | 19 yrs |
| Chrysler Grand Voyager | 69% | 387,238 | 88,976 mi | 29 yrs |
Compared to the Kia Sportage (80.4% pass rate) and the Kia Picanto (77.1% pass rate), the Kia Niro outperforms both on MOT reliability.
Found a Kia Niro you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Kia NiroShould you buy a used Kia Niro?
The Kia Niro has an overall MOT pass rate of 88.9% across 228,435 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Kia Niro with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Kia Niro owner drives around 8,213 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Kia Niro models stay on UK roads for around 10 years. If you're buying one that's already well within that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.