2021 Mazda Mazda3 2.0 e-SKYACTIV-G MHEV SE L

Price: £11,700. Fair price: £1,007 (7%) under the AskCar estimate of £12,707, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,226 priced Mazda Mazda3 adverts on AskCar as of 2 November 2026.

AskCar lists 1,275 used Mazda Mazda3 from 671 UK dealerships, as of 2 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda3
  • Trim: SE L
  • Version: 2.0 e SKYACTIV-G Mhev SE L Manual FWD Euro 6 (s/s) 5dr (120 bhp)
  • Year: 2021
  • Mileage: 35,100 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 120 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,100 miles, this 2021 Mazda Mazda3 SE L has covered about 5,500 more miles than other 2021 Mazda Mazda3 cars. Priced at £11,700, it is advertised £1,007 below the AskCar estimate of £12,707. To work out the AskCar estimate, we analyse UK dealer adverts for 1,226 Mazda Mazda3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 105 days, and its asking price is down £900. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by GS Car Centre in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,007 (7%) under the AskCar estimate of £12,707.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,226 priced Mazda Mazda3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £14,700: the median of the 50 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2021 Mazda Mazda3 has been on sale for at least 105 days, and its asking price has been cut by £900. About 6 in 10 of 2021 Mazda Mazda3 cars are gone from sale within a month of being advertised: 69 of the 123 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 20 July 2026 at £12,600. Its asking price is now £11,700, £900 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 20 July 2026: £12,600
  • 23 September 2026: £12,300
  • 4 October 2026: £12,200
  • 16 October 2026: £11,800
  • 22 October 2026: £11,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 4 June 2027.

It has had 3 MOTs. The latest, on 29 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,585 miles, which matches the advertised 35,100 miles.

Advertised mileage is about 5,500 miles higher than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

3 other 2021 Mazda Mazda3 SE L 2.0 petrol manual hatchbacks are for sale at UK dealers, from £13,257 to £14,778, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mazda Mazda3 SE L, 2.0 petrol hatchback, black. Mileage: 40,529 miles. Price: £13,257, £1,557 more than this car. Dealer: Carvender Ltd - London in Theydon Garnon. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-b18a208f1338
  • 2021 Mazda Mazda3 SE L, 2.0 petrol hatchback, red. Mileage: 17,000 miles. Price: £13,740, £2,040 more than this car. Dealer: DR Motors in Leicester. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-e12a1a4d4e15
  • 2021 Mazda Mazda3 SE L, 2.0 petrol hatchback, blue. Mileage: 7,735 miles. Price: £14,778, £3,078 more than this car. Dealer: Peoples Liverpool Speke in Speke. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-8272c2d4bc02

Browse all Mazda Mazda3 cars for sale · 2021 Mazda Mazda3 price guide

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Photos

61 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.