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

Price: £11,940. Fair price: £90 (under 1%) under the AskCar estimate of £12,030, 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-G Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (120 bhp)
  • Year: 2021
  • Mileage: 59,675 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 120 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 59,675 miles, this 2021 Mazda Mazda3 GT Sport has covered about 28,100 more miles than other 2021 Mazda Mazda3 cars. Its asking price of £11,940 is £90 below the AskCar estimate of £12,030. 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 70 days, and its asking price is down £1,530. Its advertised mileage matches the government's MOT record. You can find this car at Dace Motor Company - Trading Standards Approved in Stockport. 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: £90 (under 1%) under the AskCar estimate of £12,030.

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 70 days, and its asking price has been cut by £1,530. 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 28 August 2026 at £13,470. Its asking price is now £11,940, £1,530 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

  • 28 August 2026: £13,470
  • 4 September 2026: £12,940
  • 22 September 2026: £12,890
  • 5 October 2026: £12,680
  • 16 October 2026: £12,440
  • 2 November 2026: £11,940

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 8 June 2027.

It failed its MOT on 2 June 2026 (offside front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: brake disc worn, pitted or scored, but not seriously weakened both rear; brake disc worn, but not excessively both front.

Mileage at that test: 58,418 miles, which matches the advertised 59,675 miles.

Advertised mileage is about 28,100 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, white. Mileage: 52,038 miles. Price: £13,995, £2,055 more than 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: 72,137 miles. Price: £11,490, £450 less than this car. Dealer: FJ Chalke - Nissan, Wincanton in Wincanton. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-8062886a7d80
  • 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, silver. Mileage: 36,048 miles. Price: £13,995, £2,055 more than this car. Dealer: Mangoletsi MG in Knutsford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-2fa49f4aa8b6

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

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Photos

53 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.