CITROEN C4 CACTUS (2021)
Running costs, common problems, and reliability data based on 510 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
510
Avg Mileage
27,802 mi
Est. Annual Cost
£1,400
Is the 2021 CITROEN C4 CACTUS reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the CITROEN brand average of 79%.
At 3 years old, 92% of CITROEN C4 CACTUSs from 2021 passed their MOT first time in 2024. That's based on 510 tests across the UK. The average mileage at this age is 27,802 miles.
How does the 2021 CITROEN C4 CACTUS compare?
Mileage Analysis
The average 2021 CITROEN C4 CACTUS has 27,802 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a CITROEN C4 CACTUS?
The most reliable year is the 2020 model with a 92% MOT pass rate, while the 2015 model has the lowest at 74%. The 2021 sits between the two at 92%.
How much does a 2021 CITROEN C4 CACTUS cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
CITROEN C4 CACTUS by Year
Checking a specific CITROEN C4 CACTUS?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 CITROEN C4 CACTUS
The 2021 CITROEN C4 CACTUS is a city car with a 1200cc petrol engine. 510 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 27,802 miles at 3 years old, CITROEN C4 CACTUS owners cover more miles than the average driver.
2021 CITROEN C4 CACTUS Fuel Costs
The modest 1200cc 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 C4 CACTUS?
Total estimated annual running cost is £1,400 (£117/month), broken down as £955 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
CITROEN C4 CACTUS Reliability Trend
Newer CITROEN C4 CACTUSs show better MOT pass rates than older ones, with an average improvement of 12 percentage points.
Buying a Used 2021 CITROEN C4 CACTUS
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. If you're flexible on year, the 2020 model has the highest pass rate at 92%.
Alternatives to the 2021 CITROEN C4 CACTUS
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2019) 91% pass rate (-1%) from 124,950 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (same) from 89,653 tests
- VAUXHALL CORSA (2019) 88% pass rate (-4%) from 68,639 tests
- NISSAN QASHQAI (2020) 93% pass rate (+1%) from 52,321 tests