2018 Mazda Mazda6 2.5 SKYACTIV-G GT Sport Nav+

Price: £15,995. Above the going rate: £2,289 (16%) over the AskCar estimate of £13,706, 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 4 November 2026.

AskCar lists 424 used Mazda Mazda6 from 313 UK dealerships, as of 4 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda6
  • Trim: GT Sport Nav+
  • Version: 2.5 SKYACTIV-G GT Sport Nav+ Auto FWD Euro 6 (s/s) 4dr (191 bhp)
  • Year: 2018
  • Mileage: 63,759 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.5 litres, 191 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 63,759 miles, this 2018 Mazda Mazda6 GT Sport Nav+ has covered about 4,200 fewer miles than other 2018 Mazda Mazda6 cars. Its asking price of £15,995 is £2,289 above the AskCar estimate of £13,706. To work out the AskCar estimate, we analyse UK dealer adverts for 395 Mazda Mazda6 cars across different ages and specifications. This car was first seen in our listings data 58 days ago. The government's MOT record matches its advertised mileage. It is advertised by Struans Mazdasubaru in Perth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,289 (16%) over the AskCar estimate of £13,706.

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 4 November 2026.

Time on sale

This 2018 Mazda Mazda6 has been on sale for at least 58 days.

Price history

AskCar first saw this advert on 7 September 2026 at £15,995. 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 4 November 2026: valid until 21 February 2027.

It failed its MOT on 26 January 2026 (nearside rear trailer electrical socket (13 pin) not operating the trailer lamps as intended side lamp not operating) and passed 1 day later, on 27 January 2026.

Advisories at the latest test: offside rear brake pipe corroded, covered in grease or other material.

Mileage at that test: 61,407 miles, which matches the advertised 63,759 miles.

Advertised mileage is about 4,200 miles lower than the median mileage of a 2018 Mazda Mazda6 on AskCar.

Browse all Mazda Mazda6 cars for sale · 2018 Mazda Mazda6 price guide

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Photos

28 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.