2020 Mazda Mazda3 2.0 Sport

Price: £14,649. Fair price: £519 (3%) over the AskCar estimate of £14,130, 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: Sport
  • Version: 2.0 Sport Manual FWD Euro 6 5dr
  • Year: 2020
  • Mileage: 21,532 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda3 Sport is advertised with 21,532 miles, approximately 27,000 below the typical mileage for its age. The dealer is asking £14,649, which is £519 above the AskCar estimate of £14,130. To work out the AskCar estimate, we analyse UK dealer adverts for 1,239 Mazda Mazda3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 64 days. The government's MOT record matches its advertised mileage. You can find this car at Greendale Car Sales in Hawick. 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

Fair price: £519 (3%) over the AskCar estimate of £14,130.

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

The dealer may accept less. This 2020 Mazda Mazda3 has been on sale for at least 64 days. About half of 2020 Mazda Mazda3 cars are gone from sale within a month of being advertised: 74 of the 135 first advertised between 13 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 2 September 2026 at £15,649. Its asking price is now £14,649, £1,000 less.

Price changes recorded:

  • 3 September 2026: £15,649
  • 12 October 2026: £15,149
  • 3 November 2026: £14,649

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 18 December 2026.

It has had 3 MOTs. The latest, on 9 December 2025, passed.

Advisories at the latest test: nearside brake pipe corroded, covered in grease or other material front to rear brake pipe; offside brake pipe corroded, covered in grease or other material front to rear brake pipe; nearside rear brake disc worn, pitted or scored, but not seriously weakened; and 1 more.

Mileage at that test: 19,190 miles, which matches the advertised 21,532 miles.

Advertised mileage is about 27,000 miles lower than the median mileage of a 2020 Mazda Mazda3 on AskCar.

Similar cars

2 other 2020 Mazda Mazda3 Sport 2.0 petrol manual hatchbacks are for sale at UK dealers, from £10,990 to £12,995, as of 5 November 2026.

The 2 closest to this car in mileage:

  • 2020 Mazda Mazda3 Sport, 2.0 petrol hatchback, grey. Mileage: 35,000 miles. Price: £12,995, £1,654 less than this car. Dealer: Pat Kirk Mazda, Omagh in Omagh. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-13324c6153fb
  • 2020 Mazda Mazda3 Sport, 2.0 petrol hatchback, blue. Mileage: 50,300 miles. Price: £10,990, £3,659 less than this car. Dealer: SDM Mazda in Falkirk. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2020-b1468ec0ac1c

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

More like this

Photos

55 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.