2020 Mazda Mazda3 2.0 SKYACTIV-X MHEV GT Sport Tech

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport Tech
• Version: 2.0 Skyactiv-x Mhev GT Sport Tech Manual FWD Euro 6 (s/s) 4dr (178 bhp)
• Year: 2020
• Mileage: 64,000 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 178 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport Tech has covered 64,000 miles, around 18,000 more miles than is typical for its age. Its asking price of £8,990 is £2,107 below the AskCar estimate of £11,097. To work out the AskCar estimate, we analyse UK dealer adverts for 1,226 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 has been cut by £1,000. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at HMC in Chesham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £2,107 (18%) under the AskCar estimate of £11,097.

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 1,226 priced Mazda Mazda3 adverts across different ages and specifications, as of 2 November 2026.

A 2020 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £13,000: the median of the 68 for sale on AskCar, as of 2 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 £1,000. About 6 in 10 of 2020 Mazda Mazda3 cars are gone from sale within a month of being advertised: 73 of the 128 first advertised between 13 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 2 June 2026 at £9,990. Its asking price is now £8,990, £1,000 less. The latest price cut was seen on 28 September 2026.

Price changes recorded:

• 2 June 2026: £9,990
• 9 September 2026: £9,890
• 16 September 2026: £9,490
• 28 September 2026: £8,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 May 2027.

It has had 4 MOTs. The latest, on 8 April 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 62,759 miles, which matches the advertised 64,000 miles.

Advertised mileage is about 18,000 miles higher than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

3 other 2020 Mazda Mazda3 GT Sport Tech 2.0 petrol manual saloons are for sale at UK dealers, from £12,199 to £12,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol saloon, silver. Mileage: 66,587 miles. Price: £12,199, £3,209 more than this car. Dealer: Bridgend Motor Group in Irvine. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-0ef256d619e2
• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol saloon, black. Mileage: 50,000 miles. Price: £12,495, £3,505 more than this car. Dealer: Snigwig Car Centre in Northallerton. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-d420246d7b48
• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol saloon, grey. Mileage: 38,919 miles. Price: £12,999, £4,009 more than this car. Dealer: HolaCars in Watford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-8daa7bfd8bfb