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

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: 25,176 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

This 2021 Mazda Mazda3 GT Sport has covered 25,176 miles, around 6,400 fewer miles than is typical for its age. Priced at £15,678, it is advertised £684 above the AskCar estimate of £14,994. The AskCar estimate uses UK dealer asking prices, including 1,234 Mazda Mazda3 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 138 days ago. Our records show an MOT expiry date of 23 September 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Oakmere Prestige in Northwich. 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: £684 (4%) over the AskCar estimate of £14,994.

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

This 2021 Mazda Mazda3 has been on sale for at least 138 days.

Price history

AskCar first saw this advert on 21 June 2026 at £15,678. 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: the latest record we hold ran out on 23 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 8 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 21,960 miles, which matches the advertised 25,176 miles.

Advertised mileage is about 6,400 miles lower 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, grey. Mileage: 17,694 miles. Price: £16,249, £571 more than this car. Dealer: Vertu Hyundai Dunfermline in Dunfermline. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-58afc2b3042e
• 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, silver. Mileage: 36,048 miles. Price: £13,995, £1,683 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, white. Mileage: 52,038 miles. Price: £13,995, £1,683 less than this car. Dealer: DSR Car Sales in Wigton. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-94be235e2996