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 5dr (07/2018 on) (142 bhp)
• Year: 2020
• Mileage: 37,000 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 142 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda Mazda6 SE L Nav+ is advertised with 37,000 miles on the clock. Priced at £15,450, it is advertised £851 above the AskCar estimate of £14,599. The AskCar estimate uses 391 UK dealer adverts for the Mazda Mazda6, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 7 days. Our records show an MOT expiry date of 6 August 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. It is for sale at Roadside Motors in Lisburn. 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: £851 (5%) over the AskCar estimate of £14,599.

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 7 days.

Price history

AskCar first saw this advert on 30 October 2026 at £15,450. 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 6 November 2026: the latest record we hold ran out on 6 August 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 7 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 21,147 miles, which matches the advertised 37,000 miles.

Advertised mileage is about 1,000 miles higher 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 £14,290, 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: 33,566 miles. Price: £14,290, £1,160 less than this car. Dealer: SG Petch Darlington in Darlington. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-8c41bcfe0f3d
• 2020 Mazda Mazda6 SE L Nav+, 2.0 petrol estate, red. Mileage: 46,556 miles. Price: £13,895, £1,555 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, £2,550 less than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2020-b40b96277f83