Kia Niro 4 + EV MOT pass rate: 90.7% (9,305 tests, 2025)

The Kia Niro 4 + EV passed 90.7% of its 9,305 MOT tests in 2025 — 13.2 points above the UK average of 77.5%. The median tested example was 4 years old with 39,912 miles on the clock.

90.7%Pass rate (2025)

9,305MOT tests analysed

39,912 miMedian mileage at test

4 yrsMedian age at test

How the Niro 4 + EV compares

Kia Niro 4 + EV

90.7%

UK average (all Class 4 vehicles)

77.5% across 33.1 million tests

Kia average (all models)

79.8%

What fails most on the Kia Niro 4 + EV

Across failed and rectified tests in 2025, these vehicle systems produced the most defects on the Niro 4 + EV:

#	System	Defects recorded	Share
1	Tyres	803	36.3%
2	Visibility	268	12.1%
3	Lamps, reflectors and electrical equipment	89	4.0%
4	Brakes	81	3.7%
5	Tyres	590	26.7%
6	Visibility	162	7.3%

Pre-MOT checklist for Niro 4 + EV owners

Based on the failure profile above, ten minutes with a torch before your test removes the most likely fail items:

Check tread with the 20p test and inspect sidewalls for cracking — tyres close to the limit are the country’s most common advisory
Replace smeared wiper blades and top up washer fluid — both are test items
Walk round with all lights on: one blown bulb is the most avoidable fail there is
Feel for a spongy pedal or pulling to one side; check pad wear through the wheel spokes if visible
Check tread with the 20p test and inspect sidewalls for cracking — tyres close to the limit are the country’s most common advisory

Check the engine before the tester does

A stored fault code with the engine light on is an automatic Major defect. Scan and clear resolved faults before booking.

Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
Autel UK testersAutel professional-grade diagnostic testers

Niro 4 + EV pass rate by registration year

Registration year	Tests	Pass rate	Vs same-age	Median mileage
2020	2,318	90.6%	+0.8 pts	35,437
2021	14,343	91.4%	+1.0 pts	35,354

Check a specific Niro 4 + EV before you buy

Pass rates describe the model; they can’t tell you about the one car you’re looking at. Run its plate through our free MOT history check to see its personal record of failures, advisories and mileage readings.

Other Kia models

SPORTAGE78.9% pass rate · 253,493 tests Picanto76.2% pass rate · 180,724 tests Ceed72.5% pass rate · 111,091 tests Rio75.4% pass rate · 95,713 tests Niro90.5% pass rate · 54,779 tests Venga77.7% pass rate · 46,179 tests Sorento73.0% pass rate · 30,615 tests Soul73.2% pass rate · 21,811 tests

FAQs

What is the MOT pass rate for a Kia Niro 4 + EV?

In 2025, 90.7% of 9,305 first MOT tests on the Kia Niro 4 + EV were passes (UK average: 77.5%). Data: DVSA anonymised MOT results.

What does the Niro 4 + EV fail its MOT on most?

The biggest defect group is tyres (36.3% of its recorded defects), followed by visibility.

Is the Kia Niro 4 + EV reliable?

MOT pass rate is one lens on durability: at 90.7% it performs above the national average at a median age of 4 years and 39,912 miles. Always check the individual car's history too.

Source: DVSA Anonymised MOT tests and results, 2025 extract (Class 4 initial tests only; retests excluded). Contains public sector information licensed under the Open Government Licence v3.0. Figures rounded to one decimal place.