HYUNDAI IONIQ SE CONNECT HEV S-A (2021)
Running costs, reliability data, and common problems from 105 real MOT tests.
Annual Cost
£1,737
£145/month
MOT Pass Rate
86%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1580cc Hybrid
Solid Option
86% pass rate, £1737/year to run. Close to the national average.
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Annual Running Costs
~42 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
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 5 years old, 86% of HYUNDAI IONIQ SE CONNECT HEV S-As from 2021 passed their MOT first time in 2026. That's based on 105 tests across the UK. The average mileage at this age is 31,645 miles.
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How Does It Compare?
Mileage Analysis
31,645
Average miles
37,000
Expected for age
The average 2021 HYUNDAI IONIQ SE CONNECT HEV S-A has 31,645 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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Best Year to Buy?
The most reliable year is the 2022 model with a 96% MOT pass rate, while the 2021 model has the lowest at 86%. Consider a different year if reliability is a priority.
HYUNDAI IONIQ SE CONNECT HEV S-A by Year
Similar Cars to Consider
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About the 2021 HYUNDAI IONIQ SE CONNECT HEV S-A
The 2021 HYUNDAI IONIQ SE CONNECT HEV S-A is a small family car with a 1580cc hybrid engine. 105 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 91% of 2021 cars for MOT pass rates.
With an average of 31,645 miles at 5 years old, HYUNDAI IONIQ SE CONNECT HEV S-A owners drive about as much as the UK average.
2021 HYUNDAI IONIQ SE CONNECT HEV S-A Fuel Costs
The 1580cc hybrid 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 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 IONIQ SE CONNECT HEV S-A?
Total estimated annual running cost is £1,737 (£145/month), broken down as £1137 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.
HYUNDAI IONIQ SE CONNECT HEV S-A Reliability Trend
The HYUNDAI IONIQ SE CONNECT HEV S-A has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2021 HYUNDAI IONIQ SE CONNECT HEV S-A
At 5 years old, the HYUNDAI IONIQ SE CONNECT HEV S-A 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
Based on the 2021 HYUNDAI IONIQ SE CONNECT HEV S-A's fuel type, age, and engine size, these are the most likely problem areas to check.
Hybrid Battery Health
Medium riskAfter 5 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.
Inverter and Power Electronics
Low riskThe inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.
Regenerative Braking
Medium riskBrake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.
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 IONIQ SE CONNECT HEV S-A stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| HYUNDAI IONIQ SE CONNECT HEV S-A(2021) | 86% | £1137 | £195 | Grp 12-25 | £1737 |
| TOYOTA YARIS(2019) | 93% | £1137 | £190 | Grp 12-25 | £1582-£155 |
| MINI COOPER S(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£155 |
| LAND ROVER RANGE ROVER SPORT(2019) | 94% | £1327 | £190 | Grp 18-32 | £1772+£35 |
| TOYOTA C-HR(2019) | 92% | £1327 | £190 | Grp 18-32 | £1772+£35 |
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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