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: 31,397 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 has covered 31,397 miles. Priced at £13,590, it is advertised £752 below the AskCar estimate of £14,342. The AskCar estimate draws on 1,206 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Lookers Vauxhall Liverpool, based in Liverpool. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £752 (5%) under the AskCar estimate of £14,342.

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 1,206 priced Mazda Mazda3 adverts across different ages and specifications, as of 10 November 2026.

A 2021 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £14,000: the median of the 54 for sale on AskCar, as of 10 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: 75 of the 135 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £13,590. 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 10 November 2026: valid until 4 February 2027.

It has had 3 MOTs. The latest, on 2 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 26,579 miles, which matches the advertised 31,397 miles.

Advertised mileage is about 1,900 miles lower than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

4 other 2021 Mazda Mazda3 GT Sport 2.0 petrol manual hatchbacks are for sale at UK dealers, from £11,490 to £15,678, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, silver. Mileage: 36,048 miles. Price: £13,995, £405 more 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, blue. Mileage: 25,176 miles. Price: £15,678, £2,088 more than this car. Dealer: Oakmere Prestige in Northwich. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-29bdc14b0804
• 2021 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, white. Mileage: 52,038 miles. Price: £13,995, £405 more than this car. Dealer: DSR Car Sales in Wigton. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-94be235e2996