Kia Rio
Reliability, running costs, and MOT data across 22 years from 167,541 real MOT tests.
Avg Pass Rate
77%
Total Tests
167,541
Best Year
2021 (95%)
Years Covered
22
How reliable is the Kia Rio?
Kia Rio by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2022 | 95% | 233 | 24,400 mi |
| 2021 | 95% | 3,310 | 21,750 mi |
| 2020 | 91% | 5,121 | 26,035 mi |
| 2019 | 89% | 7,841 | 32,113 mi |
| 2018 | 90% | 9,260 | 40,153 mi |
| 2017 | 88% | 13,147 | 49,022 mi |
| 2016 | 85% | 14,178 | 52,518 mi |
| 2015 | 84% | 18,619 | 60,725 mi |
| 2014 | 78% | 19,328 | 70,276 mi |
| 2013 | 76% | 17,756 | 77,717 mi |
| 2012 | 74% | 16,466 | 85,239 mi |
| 2011 | 72% | 12,394 | 82,872 mi |
| 2010 | 72% | 11,025 | 87,460 mi |
| 2009 | 71% | 8,764 | 85,404 mi |
| 2008 | 68% | 3,800 | 92,973 mi |
| 2007 | 67% | 2,363 | 93,975 mi |
| 2006 | 69% | 1,766 | 94,045 mi |
| 2005 | 69% | 1,019 | 84,192 mi |
| 2004 | 64% | 625 | 68,036 mi |
| 2003 | 65% | 300 | 72,062 mi |
| 2002 | 68% | 184 | 68,384 mi |
| 2001 | 67% | 42 | 59,195 mi |
Checking a specific Kia Rio?
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About the Kia Rio
The Kia Rio has been tested 167,541 times in 2024 MOT data across 22 model years (2001 to 2022), with an average pass rate of 77%. That's 5 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as petrol and diesel.
Best and Worst Years
The 2021 model is the most reliable with a 95% pass rate from 3,310 tests. The 2004 model has the lowest at 64%. With a 31 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer KIA RIOs show better MOT pass rates than older ones, with an average improvement of 17 percentage points.
Mileage Across Years
The oldest model in our data (2001) averages 59,195 miles, while the newest (2022) averages 24,400 miles.
Compared to the Kia brand average of 86%, the Rio is 9 points lower, placing it among the less reliable Kia models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.