HYUNDAI I30 PREMIUM MHEV T-GDI AUTO (2021)
Running costs, reliability data, and common problems from 59 real MOT tests.
Annual Cost
£1,705
£142/month
MOT Pass Rate
78%
Average
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
998cc Petrol
Check Carefully
78% pass rate, £1705/year to run. Close to the national average.
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Annual Running Costs
~50 mpg
Flat rate (post-2017)
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
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the HYUNDAI brand average of 83%.
At 5 years old, 78% of HYUNDAI I30 PREMIUM MHEV T-GDI AUTOs from 2021 passed their MOT first time in 2026. That's based on 59 tests across the UK. The average mileage at this age is 29,805 miles.
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How Does It Compare?
Mileage Analysis
29,805
Average miles
37,000
Expected for age
The average 2021 HYUNDAI I30 PREMIUM MHEV T-GDI AUTO has 29,805 miles on the clock, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.
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About the 2021 HYUNDAI I30 PREMIUM MHEV T-GDI AUTO
The 2021 HYUNDAI I30 PREMIUM MHEV T-GDI AUTO is a city car with a 998cc petrol engine. 59 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 99% of 2021 cars for MOT pass rates.
With an average of 29,805 miles at 5 years old, HYUNDAI I30 PREMIUM MHEV T-GDI AUTO owners drive about as much as the UK average.
2021 HYUNDAI I30 PREMIUM MHEV T-GDI AUTO Fuel Costs
The modest 998cc petrol engine keeps fuel costs low, which is a real advantage for a city car. Expect around 50 mpg in mixed driving, which works out to roughly £955 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 HYUNDAI I30 PREMIUM MHEV T-GDI AUTO?
Total estimated annual running cost is £1,705 (£142/month), broken down as £955 fuel, £195 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 HYUNDAI I30 PREMIUM MHEV T-GDI AUTO
At 5 years old, the HYUNDAI I30 PREMIUM MHEV T-GDI AUTO offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 59 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2021 HYUNDAI I30 PREMIUM MHEV T-GDI AUTO's fuel type, age, and engine size, these are the most likely problem areas to check.
Coil Pack Failure
Medium riskSmaller petrol engines are prone to ignition coil failures, causing misfires and rough running. Replacement is £50-£150 per coil.
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 2021 HYUNDAI I30 PREMIUM MHEV T-GDI AUTO stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| HYUNDAI I30 PREMIUM MHEV T-GDI AUTO(2021) | 78% | £955 | £195 | Grp 1-8 | £1705 |
| FORD FIESTA(2019) | 91% | £955 | £190 | Grp 1-8 | £1400-£305 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£123 |
| VAUXHALL CORSA(2019) | 88% | £1137 | £190 | Grp 8-20 | £1732+£27 |
| AUDI A3(2019) | 92% | £955 | £190 | Grp 1-8 | £1400-£305 |
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.
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