CITROEN C4 (2021)
Running costs, common problems, and reliability data based on 416 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
416
Avg Mileage
20,749 mi
Est. Annual Cost
£1,400
Is the 2021 CITROEN C4 reliable?
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%. It also outperforms the CITROEN brand average of 79%.
At 3 years old, 90% of CITROEN C4s from 2021 passed their MOT first time in 2024. That's based on 416 tests across the UK. The average mileage at this age is 20,749 miles.
How does the 2021 CITROEN C4 compare?
Mileage Analysis
The average 2021 CITROEN C4 has 20,749 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
How much does a 2021 CITROEN C4 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 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 90% | 416 | 20,749 mi |
| 2020 | 88% | 252 | 27,130 mi |
| 2019 | 86% | 7,946 | 40,283 mi |
| 2018 | 85% | 4,459 | 50,626 mi |
| 2017 | 84% | 1,606 | 77,091 mi |
| 2016 | 79% | 30,587 | 70,374 mi |
| 2015 | 77% | 49,480 | 77,210 mi |
| 2014 | 74% | 38,709 | 85,376 mi |
| 2013 | 73% | 22,649 | 89,088 mi |
| 2012 | 73% | 15,587 | 96,404 mi |
| 2011 | 72% | 13,467 | 102,574 mi |
| 2010 | 70% | 12,669 | 106,070 mi |
| 2009 | 69% | 10,408 | 105,085 mi |
| 2008 | 67% | 15,127 | 108,072 mi |
| 2007 | 69% | 11,300 | 106,424 mi |
| 2006 | 69% | 3,634 | 94,973 mi |
| 2005 | 72% | 1,804 | 98,899 mi |
| 2004 | 62% | 69 | 103,511 mi |
Checking a specific CITROEN C4?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 CITROEN C4
The 2021 CITROEN C4 is a city car with a 1200cc petrol engine. 416 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 20,749 miles at 3 years old, CITROEN C4 owners drive about as much as the UK average.
2021 CITROEN C4 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?
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 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
CITROEN C4 Reliability Trend
Newer CITROEN C4s show better MOT pass rates than older ones, with an average improvement of 13 percentage points.
Buying a Used 2021 CITROEN C4
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.
Alternatives to the 2021 CITROEN C4
If reliability is your priority, there are 3 similar cars 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 (+2%) from 89,653 tests
- VAUXHALL CORSA (2019) 88% pass rate (-2%) from 68,639 tests
- NISSAN QASHQAI (2020) 93% pass rate (+3%) from 52,321 tests