Kia Rio Reliability, MOT Pass Rate & Common Faults
Free Kia Rio car check
Is the Kia Rio reliable? We analysed 1,637,344 real MOT tests across 141,212 vehicles to find out.
Got a specific Kia Rio? Enter the reg for a free check:
The Kia Rio is above average for reliability based on real UK MOT data. Common problems include tyre tread depth below requirements of 1.6mm, windscreen wiper does not clear the windscreen effectively and brake pipe excessively corroded. Here's everything you need to know before buying a used Kia Rio.
Kia Rio Number Plates
Number plates registered to a Kia Rio. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Kia Rio MOT Pass Rate by Year
How likely is a Kia Rio to pass its MOT? Here's the pass rate for each registration year, newest first.
Kia Rio Problems — What Goes Wrong?
The most common reasons a Kia Rio fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Kia Rio Common Faults & Problems
These are the most common serious faults found on Kia Rio models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Kia Rio Mileage — What's Normal?
How many miles does a typical Kia Rio owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Kia Rio MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Kia Rio year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2023 | 929 | 92.9% | 13,816 | 20,115 | 27,607 |
| 2022 | 4,587 | 90.7% | 15,514 | 22,938 | 33,450 |
| 2021 | 5,641 | 90.0% | 16,028 | 23,781 | 33,703 |
| 2020 | 11,968 | 88.8% | 16,126 | 24,645 | 35,754 |
| 2019 | 23,941 | 88.4% | 17,428 | 27,112 | 39,657 |
| 2018 | 34,637 | 88.3% | 19,873 | 30,681 | 45,387 |
| 2017 | 61,278 | 87.0% | 23,056 | 35,640 | 52,616 |
| 2016 | 77,541 | 83.8% | 24,311 | 37,459 | 54,844 |
| 2015 | 114,852 | 83.1% | 27,085 | 41,732 | 60,800 |
| 2014 | 131,399 | 79.5% | 31,084 | 48,162 | 69,481 |
| 2013 | 138,212 | 77.0% | 34,170 | 52,890 | 75,473 |
| 2012 | 143,107 | 75.5% | 37,151 | 57,620 | 82,352 |
| 2011 | 126,326 | 74.4% | 34,145 | 54,636 | 79,954 |
| 2010 | 129,734 | 74.8% | 34,133 | 56,182 | 82,990 |
| 2009 | 122,674 | 73.6% | 33,392 | 55,116 | 81,526 |
| 2008 | 69,534 | 71.9% | 37,527 | 60,428 | 86,940 |
| 2007 | 52,756 | 71.9% | 37,498 | 61,149 | 88,850 |
| 2006 | 58,022 | 70.7% | 37,783 | 61,115 | 89,239 |
| 2005 | 62,707 | 70.7% | 33,984 | 53,878 | 77,405 |
| 2004 | 95,425 | 70.8% | 33,104 | 51,001 | 71,671 |
How Long Does a Kia Rio Last?
Based on 141,212 Kia Rio vehicles on UK roads.
Kia Rio Mileage Distribution
Total mileage recorded across all Kia Rio 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 Rio
Based on MOT pass rates across all registration years with sufficient test data.
92.9% MOT pass rate from 929 tests
67.5% MOT pass rate from 21,535 tests
The best year to buy a used Kia Rio is 2023, which has the highest MOT pass rate at 92.9% across 929 tests. The 2001 model year has the lowest pass rate at 67.5% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Kia Rio Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Kia Rio THIS CAR | 76.2% | 1,637,344 | 49,830 mi | 25 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 |
| Honda Accord | 71.2% | 2,311,969 | 92,767 mi | 33 yrs |
Compared to the Kia Sportage (80.4% pass rate) and the Kia Picanto (77.1% pass rate), the Kia Rio trails behind on MOT reliability.
Found a Kia Rio 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 RioShould you buy a used Kia Rio?
The Kia Rio has an overall MOT pass rate of 76.2% across 1,637,344 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common problems on the Kia Rio are tyre tread depth below requirements of 1.6mm (34,517 recorded failures), windscreen wiper does not clear the windscreen effectively (20,812), and brake pipe excessively corroded (18,703). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
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 Rio with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Kia Rio owner drives around 5,503 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Kia Rio models stay on UK roads for around 25 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
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.