2020 Mazda Mazda3 2.0 SKYACTIV-X MHEV GT Sport Tech

Price: £12,199. Above the going rate: £1,340 (12%) over the AskCar estimate of £10,859, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,226 priced Mazda Mazda3 adverts on AskCar as of 2 November 2026.

AskCar lists 1,275 used Mazda Mazda3 from 671 UK dealerships, as of 2 November 2026.

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: 66,587 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 178 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport Tech is advertised with 66,587 miles, approximately 20,600 above the typical mileage for its age. Priced at £12,199, it is advertised £1,340 above the AskCar estimate of £10,859. The AskCar estimate draws on 1,226 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 75 days. The latest recorded MOT expiry date is 31 August 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Bridgend Motor Group in Irvine. 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

Above the going rate: £1,340 (12%) over the AskCar estimate of £10,859.

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

This 2020 Mazda Mazda3 has been on sale for at least 75 days.

Price history

AskCar first saw this advert on 19 August 2026 at £12,199. 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 2 November 2026: the latest record we hold ran out on 31 August 2026; ask the dealer for the current MOT.

It failed its MOT on 11 August 2025 (nearside front brake pad(s) less than 1.5 mm thick) and passed 1 day later, on 12 August 2025.

Advisories at the latest test: offside rear tyre has a cut but not deep enough to reach the ply or cords tread starting to crack; nearside rear tyre has a cut but not deep enough to reach the ply or cords tread uneven.

Mileage at that test: 57,336 miles, which matches the advertised 66,587 miles.

Advertised mileage is about 20,600 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 £8,990 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, blue. Mileage: 64,000 miles. Price: £8,990, £3,209 less than this car. Dealer: HMC in Chesham. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-9ed0ad2cf1cf
  • 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol saloon, black. Mileage: 50,000 miles. Price: £12,495, £296 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, £800 more than this car. Dealer: HolaCars in Watford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-8daa7bfd8bfb

Browse all Mazda Mazda3 cars for sale · 2020 Mazda Mazda3 price guide

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Photos

24 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.