2020 Mazda Mazda6 2.0 SKYACTIV-G Sport Nav+

Price: £17,490. Fair price: £202 (1%) under the AskCar estimate of £17,692, our expected asking price for this car from its model, age, mileage and specification, drawing on 395 priced Mazda Mazda6 adverts on AskCar as of 5 November 2026.

AskCar lists 424 used Mazda Mazda6 from 314 UK dealerships, as of 5 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda6
  • Trim: Sport Nav+
  • Version: 2.0 SKYACTIV-G Sport Nav+ Manual FWD Euro 6 4dr (162 bhp)
  • Year: 2020
  • Mileage: 19,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 162 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 152 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda6 Sport Nav+ is advertised with 19,000 miles, approximately 17,000 below the typical mileage for its age. Priced at £17,490, it is advertised £202 below the AskCar estimate of £17,692. To work out the AskCar estimate, we analyse UK dealer adverts for 395 Mazda Mazda6 cars across different ages and specifications. Since we first spotted the advert 45 days ago, the asking price has dropped by £490. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Scottish Motor Services in Glasgow. 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: £202 (1%) under the AskCar estimate of £17,692.

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 395 priced Mazda Mazda6 adverts across different ages and specifications, as of 5 November 2026.

A 2020 Mazda Mazda6 with the 2.0 petrol engine is typically advertised at £15,000: the median of the 13 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Mazda Mazda6 has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 21 September 2026 at £17,980. Its asking price is now £17,490, £490 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 21 September 2026: £17,980
  • 21 October 2026: £17,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 26 August 2027.

It has had 4 MOTs. The latest, on 5 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 17,641 miles, which matches the advertised 19,000 miles.

Advertised mileage is about 17,000 miles lower than the median mileage of a 2020 Mazda Mazda6 on AskCar.

Similar cars

5 other 2020 Mazda Mazda6 Sport Nav+ 2.0 petrol manual saloons are for sale at UK dealers, from £14,000 to £16,999, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mazda Mazda6 Sport Nav+, 2.0 petrol saloon, blue. Mileage: 21,228 miles. Price: £16,999, £491 less than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-8f51d4f0ddda
  • 2020 Mazda Mazda6 Sport Nav+, 2.0 petrol saloon, blue. Mileage: 15,500 miles. Price: £16,995, £495 less than this car. Dealer: Milcars Mazda in Watford. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-d604e303d152
  • 2020 Mazda Mazda6 Sport Nav+, 2.0 petrol saloon, red. Mileage: 23,018 miles. Price: £16,998, £492 less than this car. Dealer: Arnold Clark Wakefield Motorstore / Vanstore in Wakefield. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-1a32649c9abe
  • The nearest: 2020 Mazda Mazda6 Sport Nav+, 2.0 petrol saloon, red, 179 miles from this car. Mileage: 38,576 miles. Price: £14,793, £2,697 less than this car. Dealer: Peoples Liverpool Prescot in Prescot. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-fbbb70326a27

Browse all Mazda Mazda6 cars for sale · 2020 Mazda Mazda6 price guide

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Photos

60 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.