Hyundai Kona N Line T-Gdi MHEV (2021)
Estimated running costs and MOT pass rates from 1,160 MOT tests in 2024.
Annual Cost
£1,630
£136/month
MOT Pass Rate
94%
Excellent
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 1-8
998cc Petrol
Great Choice
94% pass rate, £1,630/year to run. 12 points above average.
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Annual Running Costs
~50 mpg
Standard rate (from April 2017)
Low estimate due to excellent reliability
Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).
Reliability Verdict
Excellent reliability. Very few MOT failures. That's 12 points above the average of 82% across all models in our data. It also outperforms the Hyundai brand average of 83%.
94% of MOT tests on Hyundai Kona N Line T-Gdi MHEVs from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 1,160 tests across the UK, retests included. The average mileage recorded at those tests was 23,321 miles.
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How Does It Compare?
Mileage Analysis
23,321
Average miles
22,200
Expected for age
The average 2021 Hyundai Kona N Line T-Gdi MHEV had 23,321 miles on the clock at its 2024 MOT, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
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Hyundai Kona N Line T-Gdi MHEV by Year
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About the 2021 Hyundai Kona N Line T-Gdi MHEV
The 2021 Hyundai Kona N Line T-Gdi MHEV is a city car. Our records list a 998cc petrol engine, though engines vary between versions. 1,160 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 23,321 miles recorded at its 2024 MOT tests, Hyundai Kona N Line T-Gdi MHEV owners drive about as much as the UK average.
2021 Hyundai Kona N Line T-Gdi MHEV 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 £1,175 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).
What does it cost to own a 2021 Hyundai Kona N Line T-Gdi MHEV?
Total estimated annual running cost is £1,630 (£136/month), broken down as £1,175 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 Hyundai Kona N Line T-Gdi MHEV
At 5 years old, the Hyundai Kona N Line T-Gdi MHEV offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Common Issues to Watch For
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
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 Kona N Line T-Gdi MHEV stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| Hyundai Kona N Line T-Gdi MHEV(2021) | 94% | £1,175 | £200 | Grp 1-8 | £1,630 |
| Ford Fiesta(2019) | 91% | £1,175 | £200 | Grp 1-8 | £1,630same |
| Volkswagen Golf(2019) | 92% | £1,398 | £200 | Grp 12-25 | £1,853+£223 |
| Vauxhall Corsa(2019) | 88% | £1,398 | £200 | Grp 8-20 | £2,003+£373 |
| Audi A3(2019) | 92% | £1,175 | £200 | Grp 1-8 | £1,630same |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2021 Hyundai Kona N Line T-Gdi MHEV
Is the 2021 Hyundai Kona N Line T-Gdi MHEV reliable?
Excellent reliability. Very few MOT failures. 94% of MOT tests on 2021 Hyundai Kona N Line T-Gdi MHEVs ended in a pass, from 1,160 tests (DVSA MOT data for tests in 2024, retests included). That's 12 points above the average of 82% across all models in the same data.
How much does a 2021 Hyundai Kona N Line T-Gdi MHEV cost to run?
Our estimate is £1,630 a year (£136 a month): £1,175 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2021 Hyundai Kona N Line T-Gdi MHEV?
94% of 1,160 MOT tests on the 2021 Hyundai Kona N Line T-Gdi MHEV ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 1135th of 3,336 models first registered in 2021 (top half).
What is the average mileage for a 2021 Hyundai Kona N Line T-Gdi MHEV?
The average mileage recorded at MOT tests on the 2021 Hyundai Kona N Line T-Gdi MHEV is 23,321 miles, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
Related Hyundai Models
Explore other Hyundai cars or similar models in the same category.
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Ford Fiesta
2019 · 998cc Petrol
Volkswagen Golf
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Vauxhall Corsa
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