CITROEN C1 (2018)
Running costs, common problems, and reliability data based on 10,911 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
10,911
Avg Mileage
31,463 mi
Est. Annual Cost
£1,400
Is the 2018 CITROEN C1 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 6 years old, 90% of CITROEN C1s from 2018 passed their MOT first time in 2024. That's based on 10,911 tests across the UK. The average mileage at this age is 31,463 miles.
How does the 2018 CITROEN C1 compare?
Mileage Analysis
The average 2018 CITROEN C1 has 31,463 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a CITROEN C1?
The most reliable year is the 2021 model with a 97% MOT pass rate, while the 2005 model has the lowest at 69%. The 2018 sits between the two at 90%.
How much does a 2018 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 2018 CITROEN C1
The 2018 CITROEN C1 is a city car with a 998cc petrol engine. 10,911 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.
With an average of 31,463 miles at 6 years old, CITROEN C1 owners tend to use this car less than the typical driver.
2018 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 2018 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 90% 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 2018 CITROEN C1
At 6 years old, the CITROEN C1 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2021 model has the highest pass rate at 97%. With 10,911 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2018 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 (2016) 81% pass rate (-9%) from 205,128 tests
- VAUXHALL CORSA (2016) 81% pass rate (-9%) from 133,045 tests
- NISSAN QASHQAI (2017) 86% pass rate (-4%) from 100,176 tests
- VAUXHALL ASTRA (2016) 85% pass rate (-5%) from 92,988 tests