2021 Mazda Mazda3 2.0 e-SKYACTIV-X MHEV GT Sport

Price: £13,995. Fair price: £799 (5%) under the AskCar estimate of £14,794, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,234 priced Mazda Mazda3 adverts on AskCar as of 6 November 2026.

AskCar lists 1,273 used Mazda Mazda3 from 674 UK dealerships, as of 6 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda3
  • Trim: GT Sport
  • Version: 2.0 e-SKYACTIV-X Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (183 bhp)
  • Year: 2021
  • Mileage: 36,048 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 183 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 121 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 36,048 miles on the clock, this 2021 Mazda Mazda3 GT Sport has done roughly 4,500 more miles than a typical 2021 Mazda Mazda3. Its asking price of £13,995 is £799 below the AskCar estimate of £14,794. To work out the AskCar estimate, we analyse UK dealer adverts for 1,234 Mazda Mazda3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 83 days, and its asking price has been cut by £1,795. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Mangoletsi MG, based in Knutsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £799 (5%) under the AskCar estimate of £14,794.

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 1,234 priced Mazda Mazda3 adverts across different ages and specifications, as of 6 November 2026.

A 2021 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £14,800: the median of the 47 for sale on AskCar, as of 6 November 2026.

Time on sale

The dealer may accept less. This 2021 Mazda Mazda3 has been on sale for at least 83 days, and its asking price has been cut by £1,795. About 6 in 10 of 2021 Mazda Mazda3 cars are gone from sale within a month of being advertised: 74 of the 133 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 15 August 2026 at £15,790. Its asking price is now £13,995, £1,795 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

  • 15 August 2026: £15,790
  • 9 September 2026: £15,424
  • 25 September 2026: £14,850
  • 18 October 2026: £13,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 14 April 2027.

It has had 4 MOTs. The latest, on 27 March 2026, passed.

Advisories at the latest test: offside front anti-roll bar linkage damaged but not seriously weakened; nearside rear coil spring corroded.

Mileage at that test: 32,884 miles, which matches the advertised 36,048 miles.

Advertised mileage is about 4,500 miles higher than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

5 other 2021 Mazda Mazda3 GT Sport 2.0 petrol manual hatchbacks are for sale at UK dealers, from £11,490 to £16,249, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, blue. Mileage: 25,176 miles. Price: £15,678, £1,683 more than this car. Dealer: Oakmere Prestige in Northwich. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-29bdc14b0804
  • 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, white. Mileage: 52,038 miles. Price: £13,995, the same price as this car. Dealer: DSR Car Sales in Wigton. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-94be235e2996
  • 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 17,694 miles. Price: £16,249, £2,254 more than this car. Dealer: Vertu Hyundai Dunfermline in Dunfermline. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-58afc2b3042e

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

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Photos

30 photos of this car are on its AskCar page.

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.