Kia Stonic reliability: how dependable is it really?
What Kia Stonic owners actually report, by year, plus what MOT data tells us about its reliability.

The Kia Stonic is generally considered a reliable vehicle, with a solid reputation for dependability across its production years. While it may not be without its issues, the Stonic’s build quality and warranty coverage contribute to its overall reliability, making it a sensible choice for many drivers.
Overview of Kia Stonic Reliability
The Kia Stonic, launched in 2017, has quickly gained popularity in the UK market. Known for its stylish design and practicality, it has also made a name for itself in terms of reliability.
The Stonic benefits from Kia’s long warranty, which covers the vehicle for seven years or 100,000 miles. This extensive warranty not only reflects the manufacturer’s confidence in the car’s reliability but also provides peace of mind for owners. With regular maintenance, many Stonic owners report minimal issues, further solidifying its reputation.
2017 Model Year: Initial Impressions
The 2017 model year marked the introduction of the Kia Stonic, and early reports suggested a positive reception regarding reliability. Initial reviews highlighted its robust build quality and well-designed interior, which contributed to a sense of dependability.
However, as with any new model, some early adopters experienced minor issues, such as software glitches in the infotainment system. These problems were typically addressed through software updates, and overall, the 2017 Stonic laid a solid foundation for future models. The DVSA MOT data showed that most owners had a satisfactory experience, with few significant reliability concerns.
2018 Model Year: Building on Success
The 2018 Kia Stonic continued to build on the success of its predecessor, with improvements in technology and safety features. This model year saw a slight increase in reported reliability, with many owners praising its performance and comfort.
While there were still occasional reports of minor electrical issues, these were generally resolved without major complications. The Stonic’s reputation for reliability was further enhanced by its high scores in consumer satisfaction surveys.
2019 Model Year: Steady Performance
By 2019, the Kia Stonic had established itself as a reliable option in the compact SUV market. Owners continued to report positive experiences, with the vehicle’s performance and comfort being frequently highlighted. The Stonic’s reliability remained consistent, with few significant issues reported.
One area where the 2019 model excelled was in fuel efficiency, which contributed to lower running costs for owners. As the Stonic gained traction in the market, the DVSA MOT data reflected a high pass rate, further indicating its dependability. Overall, the 2019 Stonic maintained the positive trajectory established in previous years.
2020 Model Year: Adapting to Challenges
The 2020 Kia Stonic faced unique challenges due to the global pandemic, which affected production and supply chains. However, the model itself remained reliable, with owners reporting minimal issues. The Stonic’s build quality and performance continued to impress, making it a solid choice for those seeking a dependable vehicle during uncertain times.
The 2020 model introduced some updated technology features, which were generally well-received. While some users experienced minor connectivity issues, these were not widespread and were often resolved through updates.
2021 Model Year: Continued Reliability
In 2021, the Kia Stonic maintained its status as a reliable vehicle, with owners praising its comfort and practicality. The model year saw minimal changes, which contributed to its steady performance in terms of reliability. Many drivers appreciated the vehicle’s low running costs and efficient fuel consumption.
Reports of reliability issues remained low, with most owners enjoying trouble-free driving experiences. The DVSA MOT data indicated that the 2021 Stonic had a high pass rate, further solidifying its reputation for dependability. As a result, the Stonic continued to attract buyers looking for a reliable compact SUV.
2022 Model Year: A Reliable Choice
The 2022 Kia Stonic continued the trend of reliability established by its predecessors. With a focus on comfort and technology, this model year offered a well-rounded package for drivers. Owners reported high levels of satisfaction, with many highlighting the vehicle’s dependability as a key selling point.
While there were occasional reports of minor issues, such as trim rattles or software glitches, these were not widespread and did not significantly impact the overall reliability of the vehicle.
Final Thoughts on Kia Stonic Reliability
Overall, the Kia Stonic has proven to be a reliable vehicle across its production years. With a strong warranty, solid build quality, and positive owner feedback, it stands out as a dependable choice in the compact SUV market. While some minor issues have been reported, they are generally outweighed by the vehicle’s strengths, making the Stonic a sensible option for those seeking reliability in their next car.
Kia Stonic MOT record
From 32,169 recorded MOT tests, 9.3% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2023 | 306 | 5.2% | 18,095 mi |
| 2022 | 5,998 | 6.1% | 20,713 mi |
| 2021 | 5,953 | 7.3% | 25,849 mi |
| 2020 | 4,431 | 9.3% | 29,517 mi |
| 2019 | 8,059 | 10.7% | 38,568 mi |
| 2018 | 6,707 | 11.8% | 47,580 mi |
| 2017 | 715 | 12.6% | 52,256 mi |
Most common reasons for failure
- Tyre tread depth not in accordance with the requirements29.9%
- a brake lining or pad worn below 1.5mm29.1%
- A tyre seriously damaged18.1%
- Brake disc or drum excessively weakened, insecure or fractured13.6%
- Wiper blade missing or obviously not clearing the windscreen9.4%
Figures cover every Kia Stonic tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Kia Stonic official figures
Median across 17 variants on sale, petrol, petrol electric.
- Combined economy
- 49.6 mpg
- WLTP median across variants
- CO2 emissions
- 128 g/km
- Sets the first-year tax rate
Official figures for new cars. Real economy varies with driving, load and conditions.
Frequently asked questions
How reliable is the Kia Stonic?
The Kia Stonic is generally considered to be a reliable vehicle, with many owners reporting few issues. Its build quality and engineering contribute to its reputation for dependability.
What warranty does the Kia Stonic come with?
The Kia Stonic typically comes with a seven-year warranty, which is one of the best in the industry. This warranty covers most aspects of the vehicle, providing peace of mind for buyers.
Are there common problems with the Kia Stonic?
While the Kia Stonic is largely reliable, some owners have reported minor issues such as electrical faults or infotainment glitches. Regular maintenance can help mitigate these concerns.
How does the Kia Stonic compare to competitors in terms of reliability?
The Kia Stonic often ranks favourably against its competitors in terms of reliability. Many reviews highlight its solid construction and low maintenance costs compared to similar models.
What maintenance should I expect for the Kia Stonic?
Routine maintenance for the Kia Stonic includes regular oil changes, brake checks, and tyre rotations. Following the manufacturer's service schedule can help ensure long-term reliability.
Is the Kia Stonic good for long-distance driving?
Yes, the Kia Stonic is suitable for long-distance driving, offering a comfortable ride and decent fuel efficiency. Many owners find it performs well on motorways and longer journeys.
How does the Kia Stonic perform in safety tests?
The Kia Stonic has received good ratings in safety tests, often featuring advanced safety technologies. Its solid build and safety features contribute to its overall reliability.
What should I look for when buying a used Kia Stonic?
When buying a used Kia Stonic, check the service history, look for any signs of wear and tear, and ensure all features are functioning properly. A vehicle history check can also provide valuable insights.
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Sources
- DVSA anonymised MOT tests and results (Open Government Licence v3.0)
- VCA new car fuel consumption and emissions data (Open Government Licence v3.0)