Kia Rio 3 MHEV
Reliability, estimated running costs, and MOT data across 3 model years from 999 MOT tests in 2024.
Avg Pass Rate
94%
Total Tests
999
Highest Pass Rate
2021 (93%)
Years Covered
3
About the Kia Rio 3 MHEV
The Kia Rio 3 MHEV was MOT tested 999 times in 2024 (DVSA data, retests included) across 3 model years (2020 to 2022), with an average pass rate of 94%. That's comfortably above the average of 82% across all models in our data. Our records list hybrid versions.
Best and Worst Years
Of the years with at least 100 tests, the 2021 model has the highest pass rate at 93% from 803 tests. The 2020 model has the lowest at 91%. With just a 2 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.
Mileage Across Years
The oldest model in our data (2020) averages 25,096 miles, while the newest (2022) averages 21,016 miles.
Compared to the Kia brand average of 86%, the Rio 3 MHEV performs 8 points better, making it one of the more reliable options in the Kia range.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2022 detailsHow reliable is the Kia Rio 3 MHEV?
Kia Rio 3 MHEV by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Kia Rio 3 MHEV
Is the Kia Rio 3 MHEV reliable?
Across its 3 model years in our data (2020 to 2022), the Kia Rio 3 MHEV averages a 94% MOT pass rate, from 999 tests (DVSA MOT data for tests in 2024, retests included). That's 12 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 93%.
Which year Kia Rio 3 MHEV has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Kia Rio 3 MHEV has the highest MOT pass rate at 93%, while the 2020 model has the lowest at 91%, a 2 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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