2021 Mazda CX-3 prices
There is 1 used 2021 Mazda CX-3 cars for sale from UK dealers on AskCar, as of 6 November 2026. The cheapest is £12,895.
Dealers lowered the asking price on more than half of 2021 Mazda CX-3 cars: 1 of the 1 in the 14 days to 6 November 2026.
AskCar lists 444 used Mazda CX-3 across the UK, from 359 dealerships.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
2021 Mazda CX-3 cars for sale now
This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage and recently reduced. 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. The one car listed here meets these rules.
The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 435 priced Mazda CX-3 adverts on AskCar as of 6 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 Mazda CX-3.
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.
Best value 2021 Mazda CX-3: priced furthest below the AskCar estimate
This car is priced 6% under its AskCar estimate.
- 2021 Mazda CX-3 2.0, manual, petrol, SUV, 5 doors, blue. Mileage: 34,876 miles. Price: £12,895, reduced by £600 from £13,495 since AskCar first saw it on 20 September 2026, 47 days ago. Fair price: £913 (6%) under the AskCar estimate of £13,808. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 22 October 2026; ask the dealer for the current MOT. Dealer: Chans Cars in London. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2021-60d8744a2c4a
Cheapest 2021 Mazda CX-3: the lowest asking prices
This car is priced £12,895.
- 2021 Mazda CX-3 2.0: £12,895, 34,876 miles. Listed in full under best value.
Lowest-mileage 2021 Mazda CX-3
This car has covered 34,876 miles.
- 2021 Mazda CX-3 2.0: £12,895, 34,876 miles. Listed in full under best value.
Recently reduced 2021 Mazda CX-3: the biggest price reductions in the 14 days to 6 November 2026
The dealer lowered the asking price on this car in the 14 days to 6 November 2026.
- 2021 Mazda CX-3 2.0: £12,895, 34,876 miles. Listed in full under best value.
Mazda CX-3 by gearbox, fuel and body
- Automatic Mazda CX-3 (110 cars)
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Mazda CX-3 prices by year
Mazda CX-3 by trim
Mazda CX-3 by price
Mazda CX-3 near you
- In England (350 cars)
- In Scotland (55 cars)
- In Wales (29 cars)
- In Northern Ireland (7 cars)
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