Used Mazda CX-3 for sale near Barnet
There are 34 used Mazda CX-3 for sale from UK dealers within 20 miles of Barnet on AskCar, as of 7 November 2026. Typical asking price £10,000 (the median: half cost less, half cost more). The cheapest is £6,495. AskCar lists 449 used Mazda CX-3 across the UK, from 361 dealerships.
The middle half of the 34 cars are priced between £8,400 and £11,000.
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.
Price reductions near Barnet
11 of the 34 Mazda CX-3 within 20 miles of Barnet had their price reduced in the last 14 days to 7 November 2026. Each one's line in the list below says by how much.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. 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 7 November 2026.
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, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2019 Mazda CX-3 1.8 SKYACTIV-D Sport Nav+, 113 bhp, manual, diesel, SUV, 5 doors, white. Mileage: 54,000 miles. Price: £7,990, unchanged since AskCar first saw it on 4 November 2026, 3 days ago. Good value: £1,170 (12%) under the AskCar estimate of £9,160. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 April 2027. Dealer: Mondial Cars in Northwood, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-60f679d79608
- 2016 Mazda CX-3 1.5 SKYACTIV-D Sport NAV, 104 bhp, automatic, diesel, SUV, 5 doors, red. Mileage: 26,122 miles. Price: £9,450, reduced by £2,000 from £11,450 since AskCar first saw it on 28 May 2026, 163 days ago. Good value: £1,128 (10%) under the AskCar estimate of £10,578. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 April 2027. Dealer: Car Planet Watford in Watford, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-d61fd51e2a2e
- 2017 Mazda CX-3 1.5 SKYACTIV-D Sport NAV, 104 bhp, manual, diesel, SUV, 5 doors, blue. Mileage: 53,528 miles. Price: £7,995, reduced by £200 from £8,195 since AskCar first saw it on 31 August 2026, 68 days ago. Fair price: £664 (7%) under the AskCar estimate of £8,659. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 February 2027. Dealer: Parkside Motors in Edgware, 4 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2017-f2ad72bc826f
- 2017 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 119 bhp, manual, petrol, SUV, 5 doors, black. Mileage: 59,650 miles. Price: £8,495, reduced by £499 from £8,994 since AskCar first saw it on 4 October 2026, 34 days ago. Fair price: £662 (7%) under the AskCar estimate of £9,157. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 December 2026. Dealer: Dyson Cars in Waltham Abbey, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2017-f3060ad23fcb
- 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, 48 days ago. Fair price: £919 (6%) under the AskCar estimate of £13,814. 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, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2021-60d8744a2c4a
- 2019 Mazda CX-3 2.0 SKYACTIV-G Sport Nav+, 119 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 55,000 miles. Price: £10,950, unchanged since AskCar first saw it on 3 November 2026, 4 days ago. Fair price: £718 (6%) under the AskCar estimate of £11,668. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 June 2027. Dealer: Trade Cars London in Enfield, 4 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-637e52ce076d
- 2018 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 148 bhp, manual, petrol, SUV, 5 doors, grey. Mileage: 51,612 miles. Price: £9,995, unchanged since AskCar first saw it on 27 October 2026, 11 days ago. Fair price: £576 (5%) under the AskCar estimate of £10,571. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 April 2027. Dealer: Superior Motors in Staines, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-86aa83bfac0e
- 2017 Mazda CX-3 2.0 SKYACTIV-G SE L NAV, 119 bhp, manual, petrol, SUV, 5 doors, white. Mileage: 61,783 miles. Price: £7,850, reduced by £50 from £7,900 since AskCar first saw it on 20 October 2026, 18 days ago. Fair price: £393 (4%) under the AskCar estimate of £8,243. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 August 2027. Dealer: Car Planet Watford in Watford, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2017-aefedd08c4b1
- 2016 Mazda CX-3 2.0 SKYACTIV-G SE L NAV, 119 bhp, manual, petrol, SUV, 5 doors, red. Mileage: 84,000 miles. Price: £6,495, unchanged since AskCar first saw it on 3 October 2026, 35 days ago. Fair price: £177 (2%) under the AskCar estimate of £6,672. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 October 2027. Dealer: Ecomotive in Hillingdon, 15 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-97c6d7572a0b
- 2019 Mazda CX-3 2.0 SKYACTIV-G Sport Nav+, 119 bhp, manual, petrol, SUV, 5 doors, white. Mileage: 36,895 miles. Price: £11,300, reduced by £50 from £11,350 since AskCar first saw it on 23 October 2026, 15 days ago. Fair price: £296 (2%) under the AskCar estimate of £11,596. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 November 2026. Dealer: Car Planet Watford in Watford, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-c2e7027e549c
- 2017 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 119 bhp, automatic, petrol, SUV, 5 doors, silver. Mileage: 55,250 miles. Price: £10,695, reduced by £300 from £10,995 since AskCar first saw it on 10 October 2026, 28 days ago. Fair price: £210 (1%) under the AskCar estimate of £10,905. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 August 2027. Dealer: Car Selection in Luton, 20 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2017-90a96e123a2b
- 2017 Mazda CX-3 1.5 SKYACTIV-D Sport NAV, 104 bhp, manual, diesel, SUV, 5 doors, red. Mileage: 45,754 miles. Price: £8,399, unchanged since AskCar first saw it on 6 November 2026, 1 day ago. Fair price: £148 (1%) under the AskCar estimate of £8,547. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 May 2027. Dealer: Luxo Motors in Epping, 14 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2017-d575575b4d1d
- 2019 Mazda CX-3 2.0 SKYACTIV-G Sport Nav+, 119 bhp, manual, petrol, SUV, 5 doors, grey. Mileage: 63,572 miles. Price: £9,622, reduced by £765 from £10,387 since AskCar first saw it on 15 September 2026, 53 days ago. Fair price: £146 (1%) under the AskCar estimate of £9,768. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 May 2027. Dealer: Cargem in Rainham, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-454e3495aed1
- 2016 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 119 bhp, manual, petrol, SUV, 5 doors, red. Mileage: 61,000 miles. Price: £8,450, unchanged since AskCar first saw it on 27 October 2026, 11 days ago. Fair price: £119 (1%) under the AskCar estimate of £8,569. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 July 2027. Dealer: Trade Cars London in Enfield, 4 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-466269b2b585
- 2019 Mazda CX-3 2.0 SKYACTIV-G Sport Nav+, 119 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 71,000 miles. Price: £10,290, raised by £1,700 from £8,590 since AskCar first saw it on 28 May 2026, 163 days ago. Fair price: £75 (under 1%) under the AskCar estimate of £10,365. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 March 2027. Dealer: Maxi Autos in Wembley, 9 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-3c5d3e52c4e8
- 2019 Mazda CX-3 2.0 SKYACTIV-G SE L Nav+, 119 bhp, manual, petrol, SUV, 5 doors, grey. Mileage: 103,000 miles. Price: £6,950, unchanged since AskCar first saw it on 27 October 2026, 11 days ago. Fair price: £7 (under 1%) over the AskCar estimate of £6,943. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 January 2027. Dealer: Trade Cars London in Enfield, 4 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-fcd1e1bc27d7
- 2019 Mazda CX-3 2.0 SKYACTIV-G GT Sport Nav+, 119 bhp, manual, petrol, SUV, 5 doors, silver. Mileage: 65,300 miles. Price: £9,995, unchanged since AskCar first saw it on 4 November 2026, 3 days ago. Fair price: £131 (1%) over the AskCar estimate of £9,864. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 June 2027. Dealer: Motor 2 Go in Denham, 15 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-2c9ac030be50
- 2019 Mazda CX-3 2.0 SKYACTIV-G Sport Nav+, 119 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 40,087 miles. Price: £12,995, unchanged since AskCar first saw it on 3 November 2026, 4 days ago. Fair price: £197 (1%) over the AskCar estimate of £12,798. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 November 2026. Dealer: Ecomotive in Hillingdon, 15 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-534eb4a12bcb
- 2016 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 119 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 47,017 miles. Price: £11,150, reduced by £849 from £11,999 since AskCar first saw it on 8 July 2026, 122 days ago. Fair price: £226 (2%) over the AskCar estimate of £10,924. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 November 2026. Dealer: Rushmores in Catford, 16 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-a8ddcd660b39
- 2019 Mazda CX-3 2.0 SKYACTIV-G SE L Nav+, 119 bhp, manual, petrol, SUV, 5 doors, blue. Mileage: 62,450 miles. Price: £9,795, unchanged since AskCar first saw it on 6 November 2026, 1 day ago. Fair price: £226 (2%) over the AskCar estimate of £9,569. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 March 2027. Dealer: Milcars Mazda in Watford, 7 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-2045532ab57c
- 2016 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 148 bhp, manual, petrol, SUV, 5 doors, black. Mileage: 75,207 miles. Price: £8,500, reduced by £500 from £9,000 since AskCar first saw it on 28 May 2026, 163 days ago. Fair price: £234 (2%) over the AskCar estimate of £8,266. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 1 July 2026; ask the dealer for the current MOT. Dealer: Hamlet Cars in Welwyn Garden City, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-9c6a4034a324
- 2018 Mazda CX-3 2.0 SKYACTIV-G Sport Nav+, 119 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 36,205 miles. Price: £12,995, unchanged since AskCar first saw it on 21 September 2026, 47 days ago. Fair price: £363 (2%) over the AskCar estimate of £12,632. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 March 2027. Dealer: McCarthy Cars in Croydon, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-8497b468b5f6
- 2016 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 119 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 100,000 miles. Price: £7,595, unchanged since AskCar first saw it on 19 September 2026, 49 days ago. Fair price: £261 (3%) over the AskCar estimate of £7,334. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 24 October 2026; ask the dealer for the current MOT. Dealer: Blackheath Motor Group in Blackheath, 15 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-46630c305720
- 2018 Mazda CX-3 2.0, 119 bhp, manual, petrol, SUV, 5 doors, white. Mileage: 65,708 miles. Price: £8,895, reduced by £1,000 from £9,895 since AskCar first saw it on 14 August 2026, 85 days ago. Fair price: £357 (4%) over the AskCar estimate of £8,538. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 April 2027. Dealer: Chans Cars in London, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-77bfd6cda51b
- 2018 Mazda CX-3 2.0 SKYACTIV-G GT Sport, 119 bhp, manual, petrol, SUV, 5 doors, silver. Mileage: 9,422 miles. Price: £13,997, reduced by £104 from £14,101 since AskCar first saw it on 27 October 2026, 11 days ago. Fair price: £582 (4%) over the AskCar estimate of £13,414. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 March 2027. Dealer: Citygate Kia Watford in Watford, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-bcfb9a868294
- 2015 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 119 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 53,213 miles. Price: £9,995, unchanged since AskCar first saw it on 28 May 2026, 163 days ago. Fair price: £448 (4%) over the AskCar estimate of £9,547. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 March 2027. Dealer: Ecomotive in Hillingdon, 15 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2015-78e80fc73fa2
- 2019 Mazda CX-3 2.0 SKYACTIV-G Sport Nav+, 119 bhp, automatic, petrol, SUV, 5 doors, black. Mileage: 51,000 miles. Price: £12,650, reduced by £250 from £12,900 since AskCar first saw it on 25 October 2026, 13 days ago. Fair price: £689 (5%) over the AskCar estimate of £11,961. Euro 6 emissions standard. ULEZ compliant. Dealer: Specto Motors in St Albans, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-55904c2546a4
- 2019 Mazda CX-3 2.0 SKYACTIV-G Sport Black+, 119 bhp, manual, petrol, SUV, 5 doors, grey. Mileage: 111,000 miles. Price: £7,290, unchanged since AskCar first saw it on 1 July 2026, 129 days ago. Fair price: £443 (6%) over the AskCar estimate of £6,847. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 April 2027. Dealer: Park View Car Sales in Lambeth, 17 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2019-454e5822c714
- 2015 Mazda CX-3 2.0 SE-L Nav SE L NAV, 118 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 42,000 miles. Price: £9,990, reduced by £305 from £10,295 since AskCar first saw it on 22 October 2026, 16 days ago. Fair price: £638 (6%) over the AskCar estimate of £9,352. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 October 2027. Dealer: SKK Motors in Harrow, 6 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2015-cee862f7324a
- 2018 Mazda CX-3 1.5 SKYACTIV-D Sport NAV, 104 bhp, manual, diesel, SUV, 5 doors, red. Mileage: 18,153 miles. Price: £10,995, unchanged since AskCar first saw it on 17 October 2026, 21 days ago. Fair price: £745 (7%) over the AskCar estimate of £10,250. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 March 2027. Dealer: Motor Ring in Sidcup, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-4990a8144f26
- 2016 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 119 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 98,700 miles. Price: £7,950, unchanged since AskCar first saw it on 29 August 2026, 70 days ago. Fair price: £540 (7%) over the AskCar estimate of £7,410. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 August 2027. Dealer: Trade Cars London in Enfield, 4 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-b64ef1a4412f
- 2016 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 119 bhp, manual, petrol, SUV, 5 doors, blue. Mileage: 33,000 miles. Price: £10,995, unchanged since AskCar first saw it on 17 October 2026, 21 days ago. Fair price: £785 (7%) over the AskCar estimate of £10,210. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 October 2027. Dealer: Milcars Mazda in Watford, 7 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-ac6d8ff2cfb6
- 2016 Mazda CX-3 2.0 SKYACTIV-G Sport NAV, 148 bhp, manual, petrol, SUV, 5 doors, grey. Mileage: 29,000 miles. Price: £10,995, unchanged since AskCar first saw it on 7 November 2026. Fair price: £297 (2%) under the AskCar estimate of £11,292. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 February 2027. Dealer: Trade Cars London in Enfield, 4 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2016-2b584936a75d
- Mazda CX-3 2.0 SKYACTIV-G Sport Black+, 119 bhp, automatic, petrol, SUV, 5 doors. Mileage: 52,000 miles. Price: £11,485, unchanged since AskCar first saw it on 20 August 2026, 79 days ago. Euro 6 emissions standard. ULEZ compliant. Dealer: TLC Car Sales in St Albans, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-3-13e718ee5877
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