2018 Mazda Mazda3 2.0 SKYACTIV-G Sport NAV

Price: £11,998. Fair price: £696 (6%) over the AskCar estimate of £11,302, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,234 priced Mazda Mazda3 adverts on AskCar as of 6 November 2026.

AskCar lists 1,273 used Mazda Mazda3 from 674 UK dealerships, as of 6 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: 41,350 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 119 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 119 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 41,350 miles, this 2018 Mazda Mazda3 Sport Nav has covered about 15,200 fewer miles than other 2018 Mazda Mazda3 cars. The AskCar estimate for this car is £11,302. It is priced at £11,998, which is £696 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,234 Mazda Mazda3 cars across different ages and specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas, based in Glasgow. 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: £696 (6%) over the AskCar estimate of £11,302.

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 1,234 priced Mazda Mazda3 adverts across different ages and specifications, as of 6 November 2026.

A 2018 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £9,900: the median of the 74 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 Mazda Mazda3 advertised today. About 4 in 10 of 2018 Mazda Mazda3 cars are gone from sale within a month of being advertised: 45 of the 112 first advertised between 12 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £11,998. 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: valid until 30 July 2027.

It has had 6 MOTs. The latest, on 17 July 2026, passed.

Advisories at the latest test: nearside rear inner brake disc worn, pitted or scored, but not seriously weakened; offside rear inner brake disc worn, pitted or scored, but not seriously weakened; nearside front brake disc worn, but not excessively; and 9 more.

Mileage at that test: 38,174 miles, which matches the advertised 41,350 miles.

Advertised mileage is about 15,200 miles lower than the median mileage of a 2018 Mazda Mazda3 on AskCar.

Similar cars

34 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 6 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, red. Mileage: 41,548 miles. Price: £9,850, £2,148 less than this car. Dealer: Drive Motor Retail drivedirect Darlington Vauxhall in Darlington. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-0ca94a46902e
  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, red. Mileage: 41,950 miles. Price: £11,000, £998 less than this car. Dealer: Napier Motor Company in Horsham. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-9b1bca574aee
  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 42,297 miles. Price: £11,750, £248 less than this car. Dealer: Bowens Garage in Ross-on-Wye. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-a02af8dd8343
  • The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue, under a mile from this car. Mileage: 64,282 miles. Price: £10,498, £1,500 less than this car. Dealer: Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas in Glasgow. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-731e240a3ba6

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

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Photos

1 photo of this car is on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.