Kia Stonic Quantum Reliability, MOT Pass Rate & Common Faults
Free Kia Stonic Quantum car check
Is the Kia Stonic Quantum reliable? We analysed 393 real MOT tests across 366 vehicles to find out.
Got a specific Kia Stonic Quantum? Enter the reg for a free check:
The Kia Stonic Quantum is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Kia Stonic Quantum.
Kia Stonic Quantum Number Plates
Number plates registered to a Kia Stonic Quantum. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Kia Stonic Quantum MOT Pass Rate by Year
How likely is a Kia Stonic Quantum to pass its MOT? Here's the pass rate for each registration year, newest first.
Kia Stonic Quantum Common Faults & Problems
These are the most common serious faults found on Kia Stonic Quantum models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Kia Stonic Quantum MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Kia Stonic Quantum year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2023 | 391 | 96.2% | 13,686 | 19,841 | 26,717 |
How Long Does a Kia Stonic Quantum Last?
Based on 366 Kia Stonic Quantum vehicles on UK roads.
Kia Stonic Quantum Mileage Distribution
Total mileage recorded across all Kia Stonic Quantum 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 Stonic Quantum
Based on MOT pass rates across all registration years with sufficient test data.
96.2% MOT pass rate from 391 tests
The best year to buy a used Kia Stonic Quantum is 2023, which has the highest MOT pass rate at 96.2% across 391 tests.
How Does the Kia Stonic Quantum Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Kia Stonic Quantum THIS CAR | 96.2% | 393 | 19,872 mi | — 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 |
| Wk Bikes Colt 50 | 70.3% | 219 | 3,541 mi | — yrs |
Compared to the Kia Sportage (80.4% pass rate) and the Kia Picanto (77.1% pass rate), the Kia Stonic Quantum outperforms both on MOT reliability.
Found a Kia Stonic Quantum 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 Stonic QuantumShould you buy a used Kia Stonic Quantum?
The Kia Stonic Quantum has an overall MOT pass rate of 96.2% across 393 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 Stonic Quantum with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
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.