Hyundai i20 reliability, MPG and running costs
Figures updated
The Hyundai i20 is a supermini. In 2024 MOT tests it scored 94 for reliability (100 is average), ranking 299 of 442, and 27.8% failed first time against a UK average of 28.5%. Its most common MOT failure is position lamp (4.0% of tests).
Ranked 299 of 442 cars in the 2024 MOT Reliability League, and 9 of 31 superminis
In 2024, 127,048 Hyundai i20s aged 3 to 20 had an MOT and 27.8% failed first time (UK average 28.5%). Taking age and mileage into account, the Hyundai i20 is 6% more likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 14.2% failed (UK 12.7%).
First-time fail rate
27.8%
UK 28.5%
Fail rate at 3 years
14.2%
UK 12.7%
Average miles a year
6,500
Typical age at test: 9 years
Hyundai i20 MOT failure rate by age
Most common Hyundai i20 MOT faults
- Position lamp: not working4.0% of tests
- Wipers: does not clear the windscreen effectively3.0% of tests
- Washers: provides insufficient washer liquid2.4% of tests
- Ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt2.4% of tests
- Stop lamp: not working2.2% of tests
- Brake pads: less than 1.5 mm thick1.8% of tests
What the Hyundai i20 fails on
| Area | Tests failing | vs similar cars |
|---|---|---|
| Lights and electrics | 11.5% | ▲ 1.2× as often |
| Brakes | 7.9% | ▲ 1.4× as often |
| Visibility | 6.7% | ▲ 1.6× as often |
| Suspension | 6.2% | ▼ 20% less often |
| Tyres | 5.3% | ▼ 13% less often |
| Exhaust and emissions | 2.0% | ▼ 17% less often |
| Body and structure | 1.8% | ▼ 29% less often |
| Seat belts and airbags | 1.4% | ▲ 2.3× as often |
| Steering | 1.0% | ▼ 38% less often |
| Wheels | 0.2% | ▼ 44% less often |
What MPG does the Hyundai i20 do?
Official economy for the Hyundai i20 ranges from 40.4 to 88.3mpg across the 100 versions listed by the Vehicle Certification Agency (2010–2025). A typical petrol version manages 52.3mpg. Expect 10–15% less in real-world driving.
Work out a journey's fuel costHow much is road tax on a Hyundai i20?
Any Hyundai i20 first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Hyundai i20 registered between March 2001 and March 2017 is taxed on its CO2: £20 to £225 a year.
Work out tax for a specific carHyundai i20 specs and running costs
Official figures for 100 versions sold in the UK between 2010 and 2025.
Fuel types
Diesel, Hybrid, Petrol
Official economy
40.4–88.3 mpg
CO2
84–158 g/km
Power
74–204 PS
| Version | Fuel | Economy | CO2 | Car tax | Company car tax |
|---|---|---|---|---|---|
| i20 I20 ADVANCE 1.0T DCT MY25100 PS · DCT · listed 2025 | Petrol | 52.3 mpg | 122g | £200 | 30% |
| i20 I20 1.0 TGDI 100CV MT 48V CONN. 22100 PS · MT · listed 2025 | Petrol | 55.4 mpg | 115g | £200 | 29% |
| i20 I20 ADVANCE 1.0T DCT MY24100 PS · DCT · listed 2025 | Petrol | 52.3 mpg | 122g | £200 | 30% |
| i20 I20 ADVANCE 1.0T MT MY24100 PS · MT · listed 2025 | Petrol | 53.3 mpg | 120g | £200 | 30% |
| i20 I20 ADVANCE 1.0T MT MY25100 PS · MT · listed 2025 | Petrol | 53.3 mpg | 120g | £200 | 30% |
| i20 I20 PREMIUM 1.0T DCT MY25100 PS · DCT · listed 2025 | Petrol | 51.4 mpg | 126g | £200 | 31% |
| i20 I20 PREMIUM 1.0T MT MY24100 PS · MT · listed 2025 | Petrol | 51.4 mpg | 124g | £200 | 30% |
| i20 I20 PREMIUM 1.0T MT MY25100 PS · MT · listed 2025 | Petrol | 51.4 mpg | 124g | £200 | 30% |
| i20 I20 ULTIMATE 1.0T DCT MY24100 PS · DCT · listed 2025 | Petrol | 50.4 mpg | 127g | £200 | 31% |
| i20 I20 ULTIMATE 1.0T DCT MY25100 PS · DCT · listed 2025 | Petrol | 50.4 mpg | 127g | £200 | 31% |
| i20 I20 ULTIMATE 1.0T MT MY24100 PS · MT · listed 2025 | Petrol | 51.4 mpg | 125g | £200 | 31% |
| i20 I20 ULTIMATE 1.0T MT MY25100 PS · MT · listed 2025 | Petrol | 51.4 mpg | 125g | £200 | 31% |
| i20 I20 N LINE S 1.0T MT MY25100 PS · MT · listed 2025 | Petrol | 52.3 mpg | 123g | £200 | 30% |
| i20 I20 PREMIUM 1.0T 48V DCT MY23100 PS · DCT · listed 2025 | Petrol | 52.3 mpg | 122g | £200 | 30% |
| i20 I20 PREMIUM 1.0T 48V MY23100 PS · MT · listed 2025 | Petrol | 54.3 mpg | 119g | £200 | 29% |
Economy and CO2 are official WLTP figures. Car tax is the yearly rate at current rates for a car first registered in the year listed, before any expensive car supplement. Company car tax is the 2026/27 benefit-in-kind rate. Showing the 15 most recent of 100 versions.
What a Hyundai i20 costs to fuel
- petrol, typical official 52.3mpg…
Official figures are usually 10–15% better than real-world driving.
Work out a journey in a Hyundai i20Buying a used Hyundai i20?
Check the MOT history of the exact car: every result, advisory and mileage reading, free.
Compare the Hyundai i20 with other superminis
Reliability, economy, car tax and running costs side by side.
Other Hyundai models
Frequently asked questions
›Is the Hyundai i20 reliable?
Its MOT record is worse than average: the Hyundai i20 is 6% more likely to fail than the average car of the same age and mileage, with a reliability score of 94 in our 2024 league (100 is average).
›What are common problems with the Hyundai i20?
The most common MOT fault is “Position lamp: not working”, found in 4.0% of tests. It fails on seat belts and airbags and visibility more often than similar cars.
›What MPG does the Hyundai i20 do?
Official economy for the Hyundai i20 ranges from 40.4 to 88.3mpg across the 100 versions listed by the Vehicle Certification Agency (2010–2025). A typical petrol version manages 52.3mpg. Expect 10–15% less in real-world driving.
›How much is road tax on a Hyundai i20?
Any Hyundai i20 first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Hyundai i20 registered between March 2001 and March 2017 is taxed on its CO2: £20 to £225 a year.
›How many Hyundai i20s fail their MOT?
27.8% of Hyundai i20s aged 3 to 20 failed their MOT first time in 2024, and 14.2% failed at their first MOT.
Sources: DVSA anonymised MOT tests 2024, all versions of the Hyundai i20 combined (Open Government Licence v3.0); official economy and CO2 from Vehicle Certification Agency data, © Crown copyright. VCA cannot accept liability for its accuracy. How we calculate the league.