2021 Mazda Mazda3 2.0 SKYACTIV-X MHEV GT Sport

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport
• Version: 2.0 Skyactiv-x Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (178 bhp)
• Year: 2021
• Mileage: 47,798 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 178 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda Mazda3 GT Sport has covered 47,798 miles, around 16,200 more miles than is typical for its age. The AskCar estimate for this car is £14,009. It is priced at £14,164, which is £155 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,223 Mazda Mazda3 cars across different ages and specifications. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Eden Mazda Taunton, based in Taunton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price

Fair price: £155 (1%) over the AskCar estimate of £14,009.

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 1,223 priced Mazda Mazda3 adverts across different ages and specifications, as of 1 November 2026.

Time on sale

AskCar first saw this 2021 Mazda Mazda3 advertised today.

Price history

AskCar first saw this advert on 1 November 2026 at £14,164. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 1 November 2026: valid until 13 December 2026.

It has had 3 MOTs. The latest, on 1 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 36,096 miles, which matches the advertised 47,798 miles.

Advertised mileage is about 16,200 miles higher than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

6 other 2021 Mazda Mazda3 GT Sport 2.0 petrol manual hatchbacks are for sale at UK dealers, from £11,490 to £16,588, as of 1 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, £169 less 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, £169 less than this car. Dealer: Mangoletsi MG in Knutsford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-2fa49f4aa8b6
• 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, red. Mileage: 59,675 miles. Price: £12,440, £1,724 less than this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-d263b42afbca

• The nearest: 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey, 28 miles from this car. Mileage: 72,137 miles. Price: £11,490, £2,674 less than this car. Dealer: FJ Chalke - Nissan, Wincanton in Wincanton. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-8062886a7d80