2020 Mazda Mazda6 2.0 SKYACTIV-G SE L Nav+

Version: 2.0 SKYACTIV-G SE L Nav+ Manual FWD Euro 6 5dr (07/2018 on) (142 bhp)

Price: £15,450. Fair price: £883 (6%) over the AskCar estimate of £14,567, our expected asking price for this car from its model, age, mileage and specification, drawing on 384 priced Mazda Mazda6 adverts on AskCar as of 30 October 2026.

AskCar lists 410 used Mazda Mazda6 from 307 UK dealerships, as of 30 October 2026.

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)
Mileage
37,000 miles
Year
2020
Fuel type
Petrol
Body type
Estate
Engine
2.0 L
Gearbox
Manual
Power
142 bhp
Seats
5
CO2
155 g/km
Colour
Red
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
SKYACTIV-G
Emissions standard
Euro 6

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 £883 above the AskCar estimate of £14,567. The AskCar estimate uses 384 UK dealer adverts for the Mazda Mazda6, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. Our records show an MOT expiry date of 6 August 2026, which has passed. Ask the dealer for an update. The latest recorded MOT mileage is consistent with the advertised figure. It is for sale at Roadside Motors in Lisburn.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£15,450

Price and mileage comparison

Fair price: £883 (6%) over the AskCar estimate of £14,567.

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 384 priced Mazda Mazda6 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 1,000 miles higher than the median mileage of a 2020 Mazda Mazda6 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: the latest record we hold ran out on 6 August 2026; ask the dealer for the current MOT. 21,147 miles at the last test.

Other matching cars

4 other 2020 Mazda Mazda6 SE L Nav+ manual petrol cars are for sale at UK dealers from £12,850 to £14,290, as of 30 October 2026.

The 4 matching cars have covered 33,566 to 50,437 miles, compared with 37,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

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

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Photos

1 photo of this car is on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.