2021 Citroen C3 prices

There are 185 used 2021 Citroen C3 cars for sale from UK dealers on AskCar, as of 7 November 2026. Typical asking price £9,000 (the median: half cost less, half cost more). The cheapest is £4,489. The middle half are priced between £8,000 and £9,700. Median mileage: about 35,000 miles.

Dealers lowered the asking price on more than a quarter of 2021 Citroen C3 cars: 54 of the 185 in the 14 days to 7 November 2026.

2021 Citroen C3 prices by engine and mileage

A 2021 Citroen C3 1.2 petrol car with under 20,000 miles typically costs £10,000, against £6,800 with 60,000 miles or more.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.2 petrol£9,000£10,000£9,300£8,300£6,800

Only 6 of the 2021 Citroen C3 cars for sale have the 1.5 diesel engine, too few to give a typical asking price.

2021 Citroen C3 prices by trim

TrimTypical asking price, 2021 cars
Shine£8,800
Shine Plus£9,500
FlairToo few for sale
SenseToo few for sale
Flair PlusToo few for sale
FeelToo few for sale

Only 15 of the 2021 Citroen C3 cars for sale are Flair, too few to give a typical asking price.

Only 5 of the 2021 Citroen C3 cars for sale are Sense, too few to give a typical asking price.

Only 5 of the 2021 Citroen C3 cars for sale are Flair Plus, too few to give a typical asking price.

Only 1 of the 2021 Citroen C3 cars for sale are Feel, too few to give a typical asking price.

Typical asking prices are of 2021 Citroen C3 cars for sale on 7 November 2026, and are given only where at least 20 cars with a price are for sale.

2021 Citroen C3 against other years

A 2020 Citroen C3 car has a typical asking price of £7,800 and a 2022 one £9,700, as of 7 November 2026.

AskCar lists 2,578 used Citroen C3 across the UK, from 1,067 dealerships.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2021 Citroen C3 cars for sale now, page 1 of 4

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 160 of the 179 cars listed here meet these rules. Pages 2 to 4 list every other 2021 Citroen C3 car, cheapest first, including the 19 the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 2,468 priced Citroen C3 adverts on AskCar as of 7 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 Citroen C3.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 6 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value 2021 Citroen C3: priced furthest below the AskCar estimate

These 10 are priced 8% to 15% under their AskCar estimate. Their asking prices run from £6,800 to £9,239.

Cheapest 2021 Citroen C3: the lowest asking prices

These 10 are priced £5,495 to £6,775. They have covered 64,162 to 111,000 miles.

Lowest-mileage 2021 Citroen C3

These 10 have covered 1,547 to 15,861 miles. Their asking prices run from £8,849 to £11,999.

Recently reduced 2021 Citroen C3: the biggest price reductions in the 14 days to 7 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 7 November 2026. Their reductions since AskCar first saw them run from £903 to £2,480.

Newly advertised 2021 Citroen C3: first seen by AskCar in the 7 days to 7 November 2026

These 10 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

Citroen C3 by gearbox, fuel and body

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2021 Citroen C3 by trim

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