2020 Mazda Mazda3 2.0 SKYACTIV-X GT Sport Tech

Overview

• Make: Mazda
• Model: Mazda3
• Trim: GT Sport Tech
• Version: 2.0 Skyactiv-X GT Sport Tech Auto FWD Euro 6 4dr (177 bhp)
• Year: 2020
• Mileage: 12,881 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 177 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Red
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport Tech has covered 12,881 miles, around 33,100 fewer miles than is typical for its age. The AskCar estimate for this car is £17,715. It is priced at £16,400, which is £1,315 below that estimate. 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 121 days, and its asking price has been cut by £2,300. Its advertised mileage matches the government's MOT record. The seller is Carworld Car Supermarket, based in Peterborough. 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

Fair price: £1,315 (7%) under the AskCar estimate of £17,715.

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 121 days, and its asking price has been cut by £2,300. 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 4 July 2026 at £18,700. Its asking price is now £16,400, £2,300 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 4 July 2026: £18,700
• 17 September 2026: £17,700
• 21 September 2026: £17,400
• 12 October 2026: £16,990
• 30 October 2026: £16,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 January 2027.

It failed its MOT on 12 January 2026 (offside rear road wheel fixing missing 1 wheel nut missing) and passed 1 day later, on 13 January 2026.

There were no advisories at the latest test.

Mileage at that test: 12,186 miles, which matches the advertised 12,881 miles.

Advertised mileage is about 33,100 miles lower than the median mileage of a 2020 Mazda Mazda3 on AskCar.