KIA EV6 GT-LINE (2021)
Running costs, common problems, and reliability data based on 435 real MOT tests in 2024.
MOT Pass Rate
96%
Total Tests (2024)
435
Avg Mileage
27,904 mi
Est. Annual Cost
£945
Is the 2021 KIA EV6 GT-LINE reliable?
Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the KIA brand average of 86%.
At 3 years old, 96% of KIA EV6 GT-LINEs from 2021 passed their MOT first time in 2024. That's based on 435 tests across the UK. The average mileage at this age is 27,904 miles.
How does the 2021 KIA EV6 GT-LINE compare?
Mileage Analysis
The average 2021 KIA EV6 GT-LINE has 27,904 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a KIA EV6 GT-LINE?
The most reliable year is the 2022 model with a 98% MOT pass rate, while the 2023 model has the lowest at 79%. The 2021 sits between the two at 96%.
How much does a 2021 KIA EV6 GT-LINE 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 EV6 GT-LINE by Year
Checking a specific KIA EV6 GT-LINE?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 KIA EV6 GT-LINE
The 2021 KIA EV6 GT-LINE is a electric with a 0cc electric engine. 435 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 17% of all 2021 cars for reliability.
With an average of 27,904 miles at 3 years old, KIA EV6 GT-LINE owners cover more miles than the average driver.
What does it cost to own a 2021 KIA EV6 GT-LINE?
Total estimated annual running cost is £945 (£79/month), broken down as £500 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
KIA EV6 GT-LINE Reliability Trend
Older KIA EV6 GT-LINEs tend to have better MOT pass rates than newer ones, with an average decline of 8 percentage points across model years.
Buying a Used 2021 KIA EV6 GT-LINE
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 2022 model has the highest pass rate at 98%.
Alternatives to the 2021 KIA EV6 GT-LINE
The KIA EV6 GT-LINE is actually the most reliable option among similar electric electrics from this era. Here are comparable electric cars with similar engines:
- TESLA MODEL 3 LONG RANGE AWD (2021) 88% pass rate (-8%) from 39,444 tests
- JAGUAR I-PACE (2020) 96% pass rate (same) from 18,488 tests
- TESLA MODEL 3 STANDARD RANGE + (2021) 88% pass rate (-8%) from 15,258 tests
- TESLA MODEL 3 PERFORMANCE AWD (2020) 87% pass rate (-9%) from 12,320 tests