2020 Mazda Mazda3 2.0 GT Sport Tech

Price: £7,495. Above the going rate: £1,124 (17%) over the AskCar estimate of £6,371, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,239 priced Mazda Mazda3 adverts on AskCar as of 5 November 2026.

AskCar lists 1,277 used Mazda Mazda3 from 674 UK dealerships, as of 5 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda3
  • Trim: GT Sport Tech
  • Version: 2.0 SKYACTIV-G GT Sport Tech Manual FWD Euro 6 5dr (120 bhp)
  • Year: 2020
  • Mileage: 134,637 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 120 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 142 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 GT Sport Tech has covered 134,637 miles, around 86,100 more miles than is typical for its age. Priced at £7,495, it is advertised £1,124 above the AskCar estimate of £6,371. The AskCar estimate uses 1,239 UK dealer adverts for the Mazda Mazda3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 41 days ago, and its asking price has since fallen by £500. Our latest MOT record expired on 24 September 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. It is advertised by MTM Car Sales in Pitcairngreen. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,124 (17%) over the AskCar estimate of £6,371.

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 1,239 priced Mazda Mazda3 adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2020 Mazda Mazda3 has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £7,995. Its asking price is now £7,495, £500 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

  • 25 September 2026: £7,995
  • 7 October 2026: £7,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 24 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 15 September 2025, passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 114,016 miles, which matches the advertised 134,637 miles.

Advertised mileage is about 86,100 miles higher than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

7 other 2020 Mazda Mazda3 GT Sport Tech 2.0 petrol manual hatchbacks are for sale at UK dealers, from £10,490 to £15,890, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, grey. Mileage: 80,000 miles. Price: £10,490, £2,995 more than this car. Dealer: Manamanx in Reading. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-619bb6f00e2b
  • 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, blue. Mileage: 74,987 miles. Price: £11,695, £4,200 more than this car. Dealer: Surecar Direct in Bristol. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-9795fcd69969
  • 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, white. Mileage: 56,775 miles. Price: £12,823, £5,328 more than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-bec65ed4e504
  • The nearest: 2020 Mazda Mazda3 GT Sport Tech, 2.0 petrol hatchback, grey, 133 miles from this car. Mileage: 30,118 miles. Price: £15,350, £7,855 more than this car. Dealer: Evans Halshaw Renault Dacia Sunderland in Sunderland. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-0d2be1f1af06

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

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Photos

39 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.