CITROEN C1 (2021)
Running costs, common problems, and reliability data based on 1,007 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
1,007
Avg Mileage
14,721 mi
Est. Annual Cost
£1,400
Is the 2021 CITROEN C1 reliable?
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 3 years old, 97% of CITROEN C1s from 2021 passed their MOT first time in 2024. That's based on 1,007 tests across the UK. The average mileage at this age is 14,721 miles.
How does the 2021 CITROEN C1 compare?
Mileage Analysis
The average 2021 CITROEN C1 has 14,721 miles on the clock, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.
How much does a 2021 CITROEN C1 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 C1 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 97% | 1,007 | 14,721 mi |
| 2020 | 92% | 4,973 | 20,126 mi |
| 2019 | 92% | 7,609 | 25,594 mi |
| 2018 | 90% | 10,911 | 31,463 mi |
| 2017 | 87% | 14,184 | 38,152 mi |
| 2016 | 86% | 28,817 | 46,713 mi |
| 2015 | 85% | 28,726 | 52,488 mi |
| 2014 | 83% | 22,356 | 57,198 mi |
| 2013 | 80% | 23,281 | 63,889 mi |
| 2012 | 79% | 23,468 | 69,673 mi |
| 2011 | 77% | 23,890 | 75,624 mi |
| 2010 | 75% | 22,959 | 78,955 mi |
| 2009 | 72% | 21,467 | 85,279 mi |
| 2008 | 70% | 19,249 | 90,280 mi |
| 2007 | 69% | 13,771 | 91,524 mi |
| 2006 | 69% | 8,701 | 96,037 mi |
| 2005 | 69% | 1,262 | 95,875 mi |
Checking a specific CITROEN C1?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 CITROEN C1
The 2021 CITROEN C1 is a city car with a 998cc petrol engine. 1,007 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 9% of all 2021 cars for reliability.
With an average of 14,721 miles at 3 years old, CITROEN C1 owners tend to use this car less than the typical driver.
2021 CITROEN C1 Fuel Costs
The modest 998cc 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 C1?
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 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
CITROEN C1 Reliability Trend
Newer CITROEN C1s show better MOT pass rates than older ones, with an average improvement of 16 percentage points.
Buying a Used 2021 CITROEN C1
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 C1
The CITROEN C1 is actually the most reliable option among similar petrol city cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2019) 91% pass rate (-6%) from 124,950 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (-5%) from 89,653 tests
- VAUXHALL CORSA (2019) 88% pass rate (-9%) from 68,639 tests
- AUDI A3 (2019) 92% pass rate (-5%) from 41,215 tests