CarCostCheck

HYUNDAI I20 ULTIMATE MHEV T-GDI (2021)

Running costs, common problems, and reliability data based on 473 real MOT tests in 2024.

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MOT Pass Rate

89%

Total Tests (2024)

473

Avg Mileage

20,321 mi

Est. Annual Cost

£1,550

Is the 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI reliable?

Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%. It also outperforms the HYUNDAI brand average of 83%.

At 3 years old, 89% of HYUNDAI I20 ULTIMATE MHEV T-GDIs from 2021 passed their MOT first time in 2024. That's based on 473 tests across the UK. The average mileage at this age is 20,321 miles.

How does the 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI compare?

Rank among all 2021 cars2696th out of 3,373(top 80%)
Rank among all HYUNDAI models188th out of 417(top 45%)
vs national average+7% (82% avg)
vs 2021 cars average-3% (92% avg)
vs HYUNDAI average+6% (83% avg)

Mileage Analysis

The average 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI has 20,321 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

How much does a 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI cost to run?

⛽Fuel (Hybrid, 998cc)
£955
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,550
Per month£129/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

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About the 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI

The 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI is a city car with a 998cc hybrid engine. 473 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 80% of 2021 cars for MOT pass rates.

With an average of 20,321 miles at 3 years old, HYUNDAI I20 ULTIMATE MHEV T-GDI owners drive about as much as the UK average.

2021 HYUNDAI I20 ULTIMATE MHEV T-GDI Fuel Costs

The modest 998cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.

What does it cost to own a 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI?

Total estimated annual running cost is £1,550 (£129/month), broken down as £955 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI

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.

Alternatives to the 2021 HYUNDAI I20 ULTIMATE MHEV T-GDI

If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable hybrid cars with similar engines: