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: 49,720 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: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport is advertised with 49,720 miles on the clock. The dealer is asking £12,498, which is £109 below the AskCar estimate of £12,607. 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 153 days, and its asking price is down £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Liverpool Motorstore / MG / Chery, based in Liverpool. 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: £109 (under 1%) under the AskCar estimate of £12,607.

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 153 days, and its asking price has been cut by £1,500. 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 4 June 2026 at £13,998. Its asking price is now £12,498, £1,500 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 4 June 2026: £13,998
• 16 October 2026: £12,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 June 2027.

It failed its MOT on 2 June 2026 (nearside front headlamp aim too high) and passed 1 day later, on 3 June 2026.

There were no advisories at the latest test.

Mileage at that test: 49,726 miles, which matches the advertised 49,720 miles.

Advertised mileage is about 1,700 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, silver. Mileage: 49,487 miles. Price: £12,890, £392 more than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-72486c5fd9f3
• 2020 Mazda Mazda3 GT Sport, 2.0 petrol hatchback, grey. Mileage: 48,000 miles. Price: £12,995, £497 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, £501 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, grey, 88 miles from this car. Mileage: 82,420 miles. Price: £10,295, £2,203 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-1fe8daa0e8e3