Kia Rio GT Line S MHEV S A (2021)
2021 Kia Rio GT Line S MHEV S A
CarHunch analysed 110 real MOT records for the 2021 Kia Rio GT Line S MHEV S A. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 2021 Kia Rio is significantly more reliable than the UK average, with a 91.8% first-time pass rate compared to 80% across all vehicles, and only 6.4% of cars ever developing dangerous defects—well below typical concern levels. The hybrid powertrain appears robust with no meaningful variance in results.
At just over 18,000 miles median mileage, these cars are lightly used for their age, which helps explain the strong performance; the real test will come as mileage climbs. With an average of just 0.24 failures per vehicle and 1.3 advisories, owners should expect straightforward maintenance, though you should still budget for typical wear items—get a pre-purchase inspection focused on hybrid battery condition and cooling system health, as these are the long-term unknown on this powertrain.
What to check before buying a 2021 Kia Rio GT Line S MHEV S A
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Kia Rio GT Line S MHEV S A
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Hybrid Electric (Clean) (99%) | 109 | 91.8% | 0.24 |
| Other (1%) | 1 | 100% | 0 |
Mileage Distribution
Most 2021 Kia Rio GT Line S MHEV S A vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2021 Kia Rio GT Line S MHEV S A vehicles fall between 13,324 and 25,011 miles.
MOT History Averages
Found a specific Kia Rio GT Line S MHEV S A?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.
Other model years — Kia Rio GT Line S MHEV S A: