Kia Niro 4 + EV
Reliability, estimated running costs, and MOT data across 7 model years from 22,515 MOT tests in 2024.
Avg Pass Rate
93%
Total Tests
22,515
Highest Pass Rate
2021 (93%)
Years Covered
7
About the Kia Niro 4 + EV
The Kia Niro 4 + EV was MOT tested 22,515 times in 2024 (DVSA data, retests included) across 7 model years (2020 to 2023), with an average pass rate of 93%. 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 2021 model has the highest pass rate at 93% from 11,606 tests. The 2021 model has the lowest at 90%. With just a 3 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 44,634 miles, while the newest (2023) averages 31,155 miles.
Compared to the Kia brand average of 86%, the Niro 4 + EV performs 7 points better, making it one of the more reliable options in the Kia range.
Estimated Running Costs
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 detailsHow reliable is the Kia Niro 4 + EV?
Kia Niro 4 + EV by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Kia Niro 4 + EV
Is the Kia Niro 4 + EV reliable?
Across its 7 model years in our data (2020 to 2023), the Kia Niro 4 + EV averages a 93% MOT pass rate, from 22,515 tests (DVSA MOT data for tests in 2024, retests included). That's 11 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 93%.
Which year Kia Niro 4 + EV has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Kia Niro 4 + EV has the highest MOT pass rate at 93%, while the 2021 model has the lowest at 90%, a 3 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Kia Niro 4 + EV Guides & Articles
Cheapest Cars to Insure in the UK: Insurance Groups 1-10
9 min read
Running CostsCheapest Cars to Run in the UK: A Complete Cost Breakdown
11 min read
Running CostsCheapest Cars to Run in 2026: Running Costs From DVSA MOT Data
9 min read
Running CostsElectric Car Running Costs UK (2026): The Real Numbers
14 min read
Running CostsElectric vs Petrol Running Costs UK 2026: Which Is Cheaper?
15 min read
Checking a specific Kia Niro 4 + EV?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.