2018 Mazda Mazda3 2.0 SKYACTIV-G Sport NAV

Price: £7,965. Fair price: £62 (under 1%) under the AskCar estimate of £8,027, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,226 priced Mazda Mazda3 adverts on AskCar as of 2 November 2026.

AskCar lists 1,275 used Mazda Mazda3 from 671 UK dealerships, as of 2 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda3
  • Trim: Sport NAV
  • Version: 2.0 SKYACTIV-G Sport NAV Manual FWD Euro 6 (s/s) 5dr (119 bhp)
  • Year: 2018
  • Mileage: 86,134 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 119 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 119 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda Mazda3 Sport Nav is advertised with 86,134 miles, approximately 31,900 above the typical mileage for its age. The dealer is asking £7,965, which is £62 below the AskCar estimate of £8,027. To work out the AskCar estimate, we analyse UK dealer adverts for 1,226 Mazda Mazda3 cars across different ages and specifications. It first appeared in our advert records 20 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at TMC Car Sales in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £62 (under 1%) under the AskCar estimate of £8,027.

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 1,226 priced Mazda Mazda3 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £10,000: the median of the 71 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Mazda Mazda3 has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 13 October 2026 at £7,965. 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 2 November 2026: valid until 14 October 2027.

It has had 7 MOTs. The latest, on 15 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 86,194 miles, which matches the advertised 86,134 miles.

Advertised mileage is about 31,900 miles higher than the median mileage of a 2018 Mazda Mazda3 on AskCar.

Similar cars

33 other 2018 Mazda Mazda3 Sport NAV 2.0 petrol manual hatchbacks are for sale at UK dealers, from £6,991 to £13,999, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey. Mileage: 86,000 miles. Price: £8,999, £1,034 more than this car. Dealer: Trust Motor Company in Ferndown. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-208089f67d5c
  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey. Mileage: 90,000 miles. Price: £7,750, £215 less than this car. Dealer: The PRE Loved Car Company in Manningtree. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-a4ac7bb7595f
  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 90,566 miles. Price: £7,695, £270 less than this car. Dealer: Motor 44 in Wythenshawe. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-6ba0b8846aa9

Browse all Mazda Mazda3 cars for sale · 2018 Mazda Mazda3 price guide

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Photos

46 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.