HYUNDAI IONIQ (2020)
Running costs, reliability data, and common problems from 14,346 real MOT tests.
Annual Cost
£1,587
£132/month
MOT Pass Rate
93%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1580cc Petrol
Great Choice
93% pass rate, £1587/year to run. 11 points above average.
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Annual Running Costs
~42 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the HYUNDAI brand average of 83%.
At 6 years old, 93% of HYUNDAI IONIQs from 2020 passed their MOT first time in 2026. That's based on 14,346 tests across the UK. The average mileage at this age is 41,368 miles.
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How Does It Compare?
Mileage Analysis
41,368
Average miles
44,400
Expected for age
The average 2020 HYUNDAI IONIQ has 41,368 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2022 model with a 96% MOT pass rate, while the 2016 model has the lowest at 87%. The 2020 sits between the two at 93%.
HYUNDAI IONIQ by Year
Similar Cars to Consider
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About the 2020 HYUNDAI IONIQ
The 2020 HYUNDAI IONIQ is a small family car with a 1580cc petrol engine. 14,346 of these vehicles were MOT tested in 2026, making it one of the most commonly tested cars on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 41,368 miles at 6 years old, HYUNDAI IONIQ owners drive about as much as the UK average.
2020 HYUNDAI IONIQ 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 2020 HYUNDAI IONIQ?
Total estimated annual running cost is £1,587 (£132/month), broken down as £1137 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
HYUNDAI IONIQ Reliability Trend
Newer HYUNDAI IONIQs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Buying a Used 2020 HYUNDAI IONIQ
At 6 years old, the HYUNDAI IONIQ offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2022 model has the highest pass rate at 96%. With 14,346 MOT tests in our data, there's strong statistical confidence in these figures.
Common Issues to Watch For
Based on the 2020 HYUNDAI IONIQ's fuel type, age, and engine size, these are the most likely problem areas to check.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2020 HYUNDAI IONIQ stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| HYUNDAI IONIQ(2020) | 93% | £1137 | £195 | Grp 12-25 | £1587 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£5 |
| VAUXHALL CORSA(2018) | 85% | £1137 | £190 | Grp 8-20 | £1732+£145 |
| NISSAN QASHQAI(2018) | 87% | £955 | £190 | Grp 5-15 | £1550-£37 |
| FORD KUGA(2018) | 90% | £1137 | £190 | Grp 12-25 | £1582-£5 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Hyundai Models
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