2020 Mazda Mazda3 2.0 SKYACTIV-G MHEV GT Sport

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport
• Version: 2.0 SKYACTIV-G Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (120 bhp)
• Year: 2020
• Mileage: 49,487 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport has covered 49,487 miles. The dealer is asking £12,890, which is £263 above the AskCar estimate of £12,627. To work out the AskCar estimate, we analyse UK dealer adverts for 1,241 Mazda Mazda3 cars across different ages and specifications. It first appeared in our advert records 25 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Town Autos in Bedford. 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

Fair price: £263 (2%) over the AskCar estimate of £12,627.

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 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £12,890. 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 4 November 2026: valid until 14 April 2027.

It has had 7 MOTs. The latest, on 15 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,486 miles, which matches the advertised 49,487 miles.

Advertised mileage is about 1,500 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, red. Mileage: 49,720 miles. Price: £12,498, £392 less than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-5ba0bc7d85e9
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 48,000 miles. Price: £12,995, £105 more than this car. Dealer: BM Vehicles in Ware. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-39a2764fe11d
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, white. Mileage: 45,057 miles. Price: £12,999, £109 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-87c8b4fe962a

• The nearest: 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, red, under a mile from this car. Mileage: 63,895 miles. Price: £11,490, £1,400 less than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-968445888d64