CITROEN C3 C-SERIES PURETECH S/S (2021)
Running costs, reliability data, and common problems from 199 real MOT tests.
Annual Cost
£1,405
£117/month
MOT Pass Rate
97%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 5-15
1199cc Petrol
Great Choice
97% pass rate, £1405/year to run. 15 points above average.
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Annual Running Costs
~50 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
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
Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the CITROEN brand average of 79%.
At 5 years old, 97% of CITROEN C3 C-SERIES PURETECH S/Ss from 2021 passed their MOT first time in 2026. That's based on 199 tests across the UK. The average mileage at this age is 19,399 miles.
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How Does It Compare?
Mileage Analysis
19,399
Average miles
37,000
Expected for age
The average 2021 CITROEN C3 C-SERIES PURETECH S/S has 19,399 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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CITROEN C3 C-SERIES PURETECH S/S by Year
Similar Cars to Consider
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About the 2021 CITROEN C3 C-SERIES PURETECH S/S
The 2021 CITROEN C3 C-SERIES PURETECH S/S is a city car with a 1199cc petrol engine. 199 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 11% of all 2021 cars for reliability.
With an average of 19,399 miles at 5 years old, CITROEN C3 C-SERIES PURETECH S/S owners tend to use this car less than the typical driver.
2021 CITROEN C3 C-SERIES PURETECH S/S Fuel Costs
The modest 1199cc 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 CITROEN C3 C-SERIES PURETECH S/S?
Total estimated annual running cost is £1,405 (£117/month), broken down as £955 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 CITROEN C3 C-SERIES PURETECH S/S
At 5 years old, the CITROEN C3 C-SERIES PURETECH S/S 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 CITROEN C3 C-SERIES PURETECH S/S'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 CITROEN C3 C-SERIES PURETECH S/S stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| CITROEN C3 C-SERIES PURETECH S/S(2021) | 97% | £955 | £195 | Grp 5-15 | £1405 |
| FORD FIESTA(2019) | 91% | £955 | £190 | Grp 1-8 | £1400-£5 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582+£177 |
| VAUXHALL CORSA(2019) | 88% | £1137 | £190 | Grp 8-20 | £1732+£327 |
| NISSAN QASHQAI(2020) | 93% | £1137 | £190 | Grp 12-25 | £1582+£177 |
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 Citroen Models
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FORD FIESTA
2019 · 998cc Petrol
VOLKSWAGEN GOLF
2019 · 1498cc Petrol
VAUXHALL CORSA
2019 · 1398cc Petrol
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