2018 Mazda Mazda6

2.5 SKYACTIV-G GT Sport Nav+ Auto FWD Euro 6 (s/s) 4dr (191 bhp)

£12,299

Fair price: within 8% of the typical £12,945 for this model, age and mileage, drawing on 397 adverts of this make and model.

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)
Mileage: 68,789 miles
Year: 2018
Fuel type: Petrol
Body type: Saloon
Engine: 2.5 L
Gearbox: Automatic
Power: 191 bhp
Seats: 5
CO2: 153 g/km
Colour: Silver
Doors: 4
Driven wheels: Front Wheel Drive
Engine badge: SKYACTIV-G
Emissions standard: Euro 6

About this car

This 2018 Mazda Mazda6 GT Sport Nav+ has covered 68,789 miles. Our estimated market asking price is £12,945. This car is advertised at £12,299, which is £646 below that figure. Our estimate draws on 397 Mazda Mazda6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 3 days. MOT records show an expiry date of 3 November 2026, and the latest recorded mileage is consistent with the advert. The seller is Yeomans Mazda Worthing, based in Worthing.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 October 2026, 3 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observed	Asking price
20 October 2026	£12,299
22 October 2026	£12,299

Price and mileage comparison

Estimated market asking price: £12,945. The asking price is £646 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 397 adverts of this make and model across different ages and specifications.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 3 November 2026. 61,453 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £15,995 to £15,995.

Other matching cars
Asking price	Mileage
£15,995	63,759 miles

These cars have covered 63,759 miles, compared with 68,789 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

AskCar lists 588,092 cars from 13,071 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.