KIA CEED 3 CRDI ISG MHEV S-A (2021)
Running costs, reliability data, and common problems from 84 real MOT tests.
Annual Cost
£1,737
£145/month
MOT Pass Rate
88%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1598cc Hybrid
Solid Option
88% pass rate, £1737/year to run. 6 points above 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 6 points above the national average of 82%.
At 5 years old, 88% of KIA CEED 3 CRDI ISG MHEV S-As from 2021 passed their MOT first time in 2026. That's based on 84 tests across the UK. The average mileage at this age is 34,705 miles.
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Mileage Analysis
34,705
Average miles
37,000
Expected for age
The average 2021 KIA CEED 3 CRDI ISG MHEV S-A has 34,705 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 KIA CEED 3 CRDI ISG MHEV S-A
The 2021 KIA CEED 3 CRDI ISG MHEV S-A is a small family car with a 1598cc hybrid engine. 84 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 86% of 2021 cars for MOT pass rates.
With an average of 34,705 miles at 5 years old, KIA CEED 3 CRDI ISG MHEV S-A owners drive about as much as the UK average.
2021 KIA CEED 3 CRDI ISG MHEV S-A Fuel Costs
The 1598cc 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 KIA CEED 3 CRDI ISG MHEV 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 88% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 KIA CEED 3 CRDI ISG MHEV S-A
At 5 years old, the KIA CEED 3 CRDI ISG MHEV 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. Note: with only 84 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2021 KIA CEED 3 CRDI ISG MHEV 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 KIA CEED 3 CRDI ISG MHEV S-A stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| KIA CEED 3 CRDI ISG MHEV S-A(2021) | 88% | £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.
Related Kia Models
Explore other Kia cars or similar models in the same category.
KIA SPORTAGE
2016 · 1700cc Diesel
KIA PICANTO
2018 · 998cc Petrol
KIA CEED
2012 · 1591cc Diesel
TOYOTA YARIS
2019 · 1497cc Hybrid
MINI COOPER S
2019 · 1499cc Hybrid
LAND ROVER RANGE ROVER SPORT
2019 · 1997cc Hybrid
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