Is the Citroen C1 reliable?

The Citroen C1 has an average MOT pass rate of 81% across 17 years, based on 276,631 tests in 2026. That's 1 points below the national average of 82%. The most reliable year is 2021 with a 97% pass rate.

Which year Citroen C1 is best?

The 2021 Citroen C1 has the highest MOT pass rate at 97%, while the 2007 model has the lowest at 69%. There's a 28 percentage point spread between the best and worst years.

Citroen C1

Reliability, running costs, and MOT data across 17 years from 276,631 real MOT tests.

Avg Pass Rate

81%

Total Tests

276,631

Best Year

2021 (97%)

Years Covered

About the Citroen C1

The Citroen C1 has been tested 276,631 times in 2026 MOT data across 17 model years (2005 to 2021), with an average pass rate of 81%. That's close to the national average of 82%. Available as petrol and diesel and LP.

Best and Worst Years

The 2021 model is the most reliable with a 97% pass rate from 1,007 tests. The 2007 model has the lowest at 69%. With a 28 point spread, choosing the right year makes a big difference to reliability.

Reliability Trend

Newer CITROEN C1s show better MOT pass rates than older ones, with an average improvement of 16 percentage points.

Mileage Across Years

The oldest model in our data (2005) averages 95,875 miles, while the newest (2021) averages 14,721 miles.

Estimated Running Costs

Fuel (Petrol, 998cc)

£955

Road Tax

£195

MOT Test

£55

Predicted Repairs

£200

Total per year£1,405

Per month£117/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Citroen C1?

vs national average-1% (82% avg)

vs Citroen brand average+2% (79% avg)

Best to worst year spread28 percentage points

Reliability trendImproving over years

Citroen C1 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

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