2021 Mazda Mazda3 2.0 e-SKYACTIV-X MHEV GT Sport
Price: £11,490. Fair price: £50 (under 1%) over the AskCar estimate of £11,440, 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: 72,137 miles
- Fuel: Petrol, mild hybrid
- Body: Hatchback, 5 doors, 5 seats
- Engine: 2.0 litres, 183 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 121 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 72,137 miles on the clock, this 2021 Mazda Mazda3 GT Sport has done roughly 40,500 more miles than a typical 2021 Mazda Mazda3. The dealer is asking £11,490, which is £50 above the AskCar estimate of £11,440. 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 92 days, and its asking price is down £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is FJ Chalke - Nissan, Wincanton, based in Wincanton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £50 (under 1%) over the AskCar estimate of £11,440.
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 92 days, and its asking price has been cut by £1,500. 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 6 August 2026 at £12,990. Its asking price is now £11,490, £1,500 less. The latest price cut was seen on 15 October 2026.
Price changes recorded:
- 6 August 2026: £12,990
- 27 August 2026: £12,790
- 9 September 2026: £12,590
- 23 September 2026: £12,490
- 25 September 2026: £11,990
- 8 October 2026: £11,890
- 15 October 2026: £11,490
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 28 June 2027.
It failed its MOT on 26 June 2026 (headlamp aim too high both side) and passed later the same day.
Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened both side.
Mileage at that test: 70,990 miles, which matches the advertised 72,137 miles.
Advertised mileage is about 40,500 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 £11,940 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, red. Mileage: 59,675 miles. Price: £11,940, £450 more than this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-d263b42afbca
- 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, white. Mileage: 52,038 miles. Price: £13,995, £2,505 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, silver. Mileage: 36,048 miles. Price: £13,995, £2,505 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
35 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.