2020 Mazda Mazda3 2.0 GT Sport

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport
• Version: 2.0 SKYACTIV-G GT Sport Manual FWD Euro 6 5dr (120 bhp)
• Year: 2020
• Mileage: 82,420 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport has covered 82,420 miles, around 34,400 more miles than is typical for its age. Priced at £10,295, it is advertised £831 above the AskCar estimate of £9,464. To work out the AskCar estimate, we analyse UK dealer adverts for 1,241 Mazda Mazda3 cars across different ages and specifications. We first recorded this advert 34 days ago, and its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is V12 Sports & Classics Ltd - Hinckley, based in Hinckley. 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: £831 (8%) over the AskCar estimate of £9,464.

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

This 2020 Mazda Mazda3 has been on sale for at least 34 days.

Price history

AskCar first saw this advert on 1 October 2026 at £10,595. Its asking price is now £10,295, £300 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 1 October 2026: £10,595
• 30 October 2026: £10,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 September 2027.

It has had 6 MOTs. The latest, on 30 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 82,399 miles, which matches the advertised 82,420 miles.

Advertised mileage is about 34,400 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 £9,450 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, white. Mileage: 100,000 miles. Price: £9,450, £845 less than this car. Dealer: Windmill Motors in Bourne. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-37a6f61966fb
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, red. Mileage: 63,895 miles. Price: £11,490, £1,195 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, £2,004 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, 19 miles from this car. Mileage: 44,632 miles. Price: £13,980, £3,685 more than this car. Dealer: Green 4 Motor Company Leamington Mazda in Warwick. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1b45aa9178a7