KIA NIRO 2 PHEV S-A (2021)
Running costs, common problems, and reliability data based on 1,534 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
1,534
Avg Mileage
40,110 mi
Est. Annual Cost
£1,582
Is the 2021 KIA NIRO 2 PHEV S-A reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the KIA brand average of 86%.
At 3 years old, 94% of KIA NIRO 2 PHEV S-As from 2021 passed their MOT first time in 2024. That's based on 1,534 tests across the UK. The average mileage at this age is 40,110 miles.
How does the 2021 KIA NIRO 2 PHEV S-A compare?
Mileage Analysis
The average 2021 KIA NIRO 2 PHEV S-A has 40,110 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Best year to buy a KIA NIRO 2 PHEV S-A?
The most reliable year is the 2023 model with a 97% MOT pass rate, while the 2022 model has the lowest at 94%. The 2021 sits between the two at 94%.
How much does a 2021 KIA NIRO 2 PHEV S-A cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
KIA NIRO 2 PHEV S-A by Year
Checking a specific KIA NIRO 2 PHEV S-A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 KIA NIRO 2 PHEV S-A
The 2021 KIA NIRO 2 PHEV S-A is a small family car with a 1580cc petrol engine. 1,534 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 40,110 miles at 3 years old, KIA NIRO 2 PHEV S-A owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 KIA NIRO 2 PHEV S-A Fuel Costs
The 1580cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 KIA NIRO 2 PHEV S-A?
Total estimated annual running cost is £1,582 (£132/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
KIA NIRO 2 PHEV S-A Reliability Trend
The KIA NIRO 2 PHEV S-A has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2021 KIA NIRO 2 PHEV S-A
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. If you're flexible on year, the 2023 model has the highest pass rate at 97%.
Alternatives to the 2021 KIA NIRO 2 PHEV S-A
If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- TOYOTA PRIUS (2019) 94% pass rate (same) from 32,127 tests
- TOYOTA YARIS DESIGN HEV CVT (2021) 96% pass rate (+2%) from 19,884 tests
- TOYOTA COROLLA ICON TECH HEV CVT (2021) 94% pass rate (same) from 10,773 tests
- TOYOTA YARIS ICON HEV CVT (2021) 95% pass rate (+1%) from 9,164 tests