2020 Mazda Mazda6 2.0 SKYACTIV-G SE L Nav+

Overview

• Make: Mazda
• Model: Mazda6
• Trim: SE L Nav+
• Version: 2.0 SKYACTIV-G SE L Nav+ Manual FWD Euro 6 (s/s) 5dr Tourer (143 bhp)
• Year: 2020
• Mileage: 33,566 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 143 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda6 SE L Nav+ has covered 33,566 miles, around 2,400 fewer miles than is typical for its age. The dealer is asking £14,290, which is £321 below the AskCar estimate of £14,611. To work out the AskCar estimate, we analyse UK dealer adverts for 391 Mazda Mazda6 cars across different ages and specifications. We first saw this car advertised 28 days ago. Its asking price has since fallen by £200. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is SG Petch Darlington, based in Darlington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £321 (2%) under the AskCar estimate of £14,611.

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 391 priced Mazda Mazda6 adverts across different ages and specifications, as of 6 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 6 November 2026.

Time on sale

This 2020 Mazda Mazda6 has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 9 October 2026 at £14,490. Its asking price is now £14,290, £200 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 9 October 2026: £14,490
• 30 October 2026: £14,290

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 24 February 2027.

It has had 4 MOTs. The latest, on 15 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,567 miles, which matches the advertised 33,566 miles.

Advertised mileage is about 2,400 miles lower than the median mileage of a 2020 Mazda Mazda6 on AskCar.

Similar cars

3 other 2020 Mazda Mazda6 SE L Nav+ 2.0 petrol manual estates are for sale at UK dealers, from £12,900 to £15,450, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda Mazda6 SE L Nav+, 2.0 petrol estate, red. Mileage: 37,000 miles. Price: £15,450, £1,160 more than this car. Dealer: Roadside Motors in Lisburn. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-94d08758f042
• 2020 Mazda Mazda6 SE L Nav+, 2.0 petrol estate, red. Mileage: 46,556 miles. Price: £13,895, £395 less than this car. Dealer: Lodge Garage Mazda in Aylesbury. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-69afde88bd03
• 2020 Mazda Mazda6 SE L Nav+, 2.0 petrol estate, silver. Mileage: 50,437 miles. Price: £12,900, £1,390 less than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-b40b96277f83