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: 21,928 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

This 2021 Mazda Mazda3 GT Sport Tech is advertised with 21,928 miles, approximately 9,700 below the typical mileage for its age. The AskCar estimate for this car is £15,506. It is priced at £14,900, which is £606 below that estimate. 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 63 days, and its asking price is down £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Budgen Motors Citroen Shrewsbury, based in Shrewsbury. 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: £606 (3%) under the AskCar estimate of £15,506.

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 63 days, and its asking price has been cut by £1,000. 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 4 September 2026 at £15,900. Its asking price is now £14,900, £1,000 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 4 September 2026: £15,900
• 15 October 2026: £14,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 31 August 2027.

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

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 21,862 miles, which matches the advertised 21,928 miles.

Advertised mileage is about 9,700 miles lower 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 £14,399 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, grey. Mileage: 23,520 miles. Price: £15,495, £595 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: 10,205 miles. Price: £16,795, £1,895 more than this car. Dealer: EMG Motor Group Cambridge Mazda in Cambridge. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-29c92bf75f0a
• 2021 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, blue. Mileage: 41,048 miles. Price: £14,399, £501 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-08a833e54bcc