Kia Stonic Maxx: MOT pass rate and reliability data

The Kia Stonic Maxx passes its MOT first time more often than the average UK car, by 14.9 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 736 individual Kia Stonic Maxx tests. Nothing here is an estimate or a survey.

The numbers

What this means if you are buying one

A 91.6% first-time pass rate means roughly 8 in every 100 Kia Stonic Maxx presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average Kia Stonic Maxx tested had covered 28,909 miles and was built around 2020.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Kia Stonic Maxx bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Kia Stonic Maxx rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Kia Stonic Maxx actually sold for at UK salvage auction.

Most common MOT failures on a Kia Stonic Maxx

1. a brake lining or pad worn below 1.5mm, 2.1% of tests (1.35x the national rate for this defect)
2. Wiper blade missing or obviously not clearing the windscreen, 1.8% of tests (1.31x the national rate for this defect)
3. Tyre tread depth not in accordance with the requirements, 1.2% of tests
4. A tyre seriously damaged, 1.1% of tests
5. Engine MIL illuminated indicating a malfunction, 0.5% of tests
6. The aim of a headlamp is not within limits laid down in the requirements, 0.4% of tests
7. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.2% of tests
8. A tyre cords visible or damaged, 0.2% of tests
9. Parking brake efficiency below minimum requirement, 0.2% of tests
10. A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, 0.2% of tests

From 1,111 DVSA-tracked Kia Stonic Maxx tests, 2024. DVSA testers marked 6.51% of these flagged Kia Stonic Maxx defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Kia Stonic Maxx pass rate by model year

Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each Kia Stonic Maxx year:

• 2019 Kia Stonic Maxx - 92% first-time pass, 274 tests
• 2020 Kia Stonic Maxx - 92% first-time pass, 449 tests

Other Kia models

• Kia Sportage - 79.4%
• Kia Picanto - 75.7%
• Kia Ceed - 71.6%
• Kia Rio - 74.3%
• Kia Niro - 90.3%
• Kia Venga - 78.4%
• Kia Sorento - 72.6%
• Kia Soul - 73.7%

Models with a similar pass rate

• Mercedes-Benz Gla 200 Amg Line Edition A - 91.6%
• Skoda Kodiaq Sportline Tsi S-A - 91.6%
• Audi A4 Technik 35 Tdi S-A - 91.6%
• Volkswagen Golf R-Line Edition Tsi Evo - 91.6%
• Vauxhall Combo Life Energy S/S Auto - 91.6%
• Volkswagen Passat Sel Tsi Evo - 91.6%

If this car is a salvage or write-off

• What does Cat N mean? Category N explained
• What does Cat S mean? Category S explained
• Cat S vs Cat N: the real differences

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All 2,005 models ranked by MOT pass rate