CarCostCheck

Kia Niro 3 EV

Reliability, estimated running costs, and MOT data across 4 model years from 8,241 MOT tests in 2024.

Avg Pass Rate

95%

Total Tests

8,241

Highest Pass Rate

2020 (94%)

Years Covered

4

About the Kia Niro 3 EV

The Kia Niro 3 EV was MOT tested 8,241 times in 2024 (DVSA data, retests included) across 4 model years (2020 to 2023), with an average pass rate of 95%. That's comfortably above the average of 82% across all models in our data. Our records list electric versions.

Best and Worst Years

Of the years with at least 100 tests, the 2020 model has the highest pass rate at 94% from 556 tests. The 2021 model has the lowest at 92%. With just a 2 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.

Mileage Across Years

The oldest model in our data (2020) averages 41,564 miles, while the newest (2023) averages 26,816 miles.

Compared to the Kia brand average of 86%, the Niro 3 EV performs 9 points better, making it one of the more reliable options in the Kia range.

Estimated Running Costs

Fuel (Electric)
£555
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£1,010
Per month£84/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2023 details

How reliable is the Kia Niro 3 EV?

vs average of all models+13% (82% avg)
vs Kia brand average+9% (86% avg)
Best to worst year spread2 percentage points

Kia Niro 3 EV by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202398%20926,816 mi
202295%48854,884 mi
202192%6,98854,567 mi
202094%55641,564 mi

Questions about the Kia Niro 3 EV

Is the Kia Niro 3 EV reliable?

Across its 4 model years in our data (2020 to 2023), the Kia Niro 3 EV averages a 95% MOT pass rate, from 8,241 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points above the average of 82% across all models in the same data. The 2020 model has the highest pass rate of the years with at least 100 tests, at 94%.

Which year Kia Niro 3 EV has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Kia Niro 3 EV has the highest MOT pass rate at 94%, while the 2021 model has the lowest at 92%, a 2 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Kia Niro 3 EV Guides & Articles

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