2020 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: 2020
• Mileage: 100,000 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 2020 Mazda Mazda3 GT Sport has covered 100,000 miles, around 52,000 more miles than is typical for its age. Its asking price of £9,450 is £866 above the AskCar estimate of £8,584. To work out the AskCar estimate, we analyse UK dealer adverts for 1,241 Mazda Mazda3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 68 days, and its asking price has been cut by £1,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Windmill Motors in Bourne. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £866 (10%) over the AskCar estimate of £8,584.

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 1,241 priced Mazda Mazda3 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £13,000: the median of the 72 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2020 Mazda Mazda3 has been on sale for at least 68 days, and its asking price has been cut by £1,000. About 6 in 10 of 2020 Mazda Mazda3 cars are gone from sale within a month of being advertised: 74 of the 133 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 28 August 2026 at £10,450. Its asking price is now £9,450, £1,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 28 August 2026: £10,450
• 13 October 2026: £10,250
• 14 October 2026: £9,950
• 22 October 2026: £9,750
• 28 October 2026: £9,625
• 4 November 2026: £9,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 25 March 2027.

It has had 4 MOTs. The latest, on 26 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 95,864 miles, which matches the advertised 100,000 miles.

Advertised mileage is about 52,000 miles higher than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

12 other 2020 Mazda Mazda3 GT Sport 2.0 petrol manual hatchbacks are for sale at UK dealers, from £10,295 to £14,450, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 82,420 miles. Price: £10,295, £845 more than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1fe8daa0e8e3
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, red. Mileage: 63,895 miles. Price: £11,490, £2,040 more than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-968445888d64
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 60,000 miles. Price: £12,299, £2,849 more than this car. Dealer: Hendy Ford Tunbridge Wells in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1d813b311273

• The nearest: 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, white, 27 miles from this car. Mileage: 45,057 miles. Price: £12,999, £3,549 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-87c8b4fe962a