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

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport Tech
• Version: 2.0 e SKYACTIV-G Mhev GT Sport Tech Manual FWD Euro 6 (s/s) 5dr (120 bhp)
• Year: 2021
• Mileage: 41,048 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 41,048 miles, this 2021 Mazda Mazda3 GT Sport Tech has covered about 9,500 more miles than other 2021 Mazda Mazda3 cars. The dealer is asking £14,399, which is £594 above the AskCar estimate of £13,805. To work out the AskCar estimate, we analyse UK dealer adverts for 1,234 Mazda Mazda3 cars across different ages and specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is cinch Corby, based in North Northamptonshire. 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: £594 (4%) over the AskCar estimate of £13,805.

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

AskCar first saw this 2021 Mazda Mazda3 advertised today. 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 November 2026 at £14,399. 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 6 November 2026: valid until 8 October 2027.

It has had 3 MOTs. The latest, on 28 September 2026, passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 40,959 miles, which matches the advertised 41,048 miles.

Advertised mileage is about 9,500 miles higher than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

4 other 2021 Mazda Mazda3 GT Sport Tech 2.0 petrol manual hatchbacks are for sale at UK dealers, from £14,900 to £16,795, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, silver. Mileage: 43,427 miles. Price: £16,500, £2,101 more than this car. Dealer: Nunns Mazda in Grimsby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-9f307be671a2
• 2021 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, grey. Mileage: 23,520 miles. Price: £15,495, £1,096 more than this car. Dealer: Victoria Park Mazda in Cardiff. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-f98d204542ee
• 2021 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, red. Mileage: 21,928 miles. Price: £14,900, £501 more than this car. Dealer: Budgen Motors Citroen Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-3d04fd26aadc

• The nearest: 2021 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, red, 39 miles from this car. Mileage: 10,205 miles. Price: £16,795, £2,396 more than this car. Dealer: EMG Motor Group Cambridge Mazda in Cambridge. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-29c92bf75f0a