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 Euro 6 (s/s) 5dr (178 bhp)
• Year: 2020
• Mileage: 45,500 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 178 bhp
• Gearbox: Manual
• Colour: Red
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport Tech is advertised with 45,500 miles, approximately 4,300 below the typical mileage for its age. The AskCar estimate for this car is £13,854. It is priced at £13,791, which is £63 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,201 Mazda Mazda3 cars across different ages and specifications. This car was first seen in our listings data 1 day ago. The government's MOT record matches its advertised mileage. It is advertised by Prestige Cars by Peter Cooper West End in Southampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £63 (under 1%) under the AskCar estimate of £13,854.

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 1,201 priced Mazda Mazda3 adverts across different ages and specifications, as of 11 November 2026.

A 2020 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £12,800: the median of the 71 for sale on AskCar, as of 11 November 2026.

Time on sale

AskCar first saw this 2020 Mazda Mazda3 advertised 1 day ago. About 6 in 10 of 2020 Mazda Mazda3 cars are gone from sale within a month of being advertised: 80 of the 144 first advertised between 13 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £13,791. 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 11 November 2026: valid until 17 April 2027.

It has had 4 MOTs. The latest, on 17 April 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin.

Mileage at that test: 40,272 miles, which matches the advertised 45,500 miles.

Advertised mileage is about 4,300 miles lower than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

8 other 2020 Mazda Mazda3 GT Sport Tech 2.0 petrol manual hatchbacks are for sale at UK dealers, from £7,495 to £16,290, as of 11 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, red. Mileage: 42,000 miles. Price: £15,485, £1,694 more than this car. Dealer: Harris Cars in Southampton. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-96b4e989f44e
• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, grey. Mileage: 50,400 miles. Price: £13,350, £441 less than this car. Dealer: Holdcroft Motor Group Mazda Hanley in Hanley. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-7c55b3adecd7
• 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, white. Mileage: 57,191 miles. Price: £12,823, £968 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-bec65ed4e504