KIA STINGER (2021)
Running costs, reliability data, and common problems from 407 real MOT tests.
Annual Cost
£2,042
£170/month
MOT Pass Rate
95%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 35-50
3342cc Petrol
Great Choice
95% pass rate, £2042/year to run. 13 points above average.
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Annual Running Costs
~30 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%. It also outperforms the KIA brand average of 86%.
At 5 years old, 95% of KIA STINGERs from 2021 passed their MOT first time in 2026. That's based on 407 tests across the UK. The average mileage at this age is 20,582 miles.
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Mileage Analysis
20,582
Average miles
37,000
Expected for age
The average 2021 KIA STINGER has 20,582 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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KIA STINGER by Year
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About the 2021 KIA STINGER
The 2021 KIA STINGER is a performance with a 3342cc petrol engine. 407 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 20,582 miles at 5 years old, KIA STINGER owners tend to use this car less than the typical driver.
2021 KIA STINGER Fuel Costs
The 3342cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 KIA STINGER?
Total estimated annual running cost is £2,042 (£170/month), broken down as £1592 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
KIA STINGER Reliability Trend
The KIA STINGER has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2021 KIA STINGER
At 5 years old, the KIA STINGER offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Common Issues to Watch For
Based on the 2021 KIA STINGER's fuel type, age, and engine size, these are the most likely problem areas to check.
Oil Consumption
Low riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2021 KIA STINGER stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| KIA STINGER(2021) | 95% | £1592 | £195 | Grp 35-50 | £2042 |
| BMW 5 SERIES(2019) | 92% | £1592 | £190 | Grp 30-42 | £2037-£5 |
| BMW X3(2019) | 92% | £1592 | £190 | Grp 30-42 | £2037-£5 |
| MERCEDES GLC(2019) | 93% | £1592 | £190 | Grp 30-42 | £2037-£5 |
| BMW X5(2019) | 92% | £1592 | £190 | Grp 30-42 | £2037-£5 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Kia Models
Explore other Kia cars or similar models in the same category.
KIA SPORTAGE
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KIA PICANTO
2018 · 998cc Petrol
KIA CEED
2012 · 1591cc Diesel
BMW 5 SERIES
2019 · 2998cc Petrol
BMW X3
2019 · 2998cc Petrol
MERCEDES GLC
2019 · 2996cc Petrol
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