2018 Mazda Mazda3 2.0 SKYACTIV-G Sport NAV

Price: £11,999. Fair price: £571 (4%) under the AskCar estimate of £12,570, 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: 24,490 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

With 24,490 miles on the clock, this 2018 Mazda Mazda3 Sport Nav has done roughly 29,800 fewer miles than a typical 2018 Mazda Mazda3. The dealer is asking £11,999, which is £571 below the AskCar estimate of £12,570. To work out the AskCar estimate, we analyse UK dealer adverts for 1,226 Mazda Mazda3 cars across different ages and specifications. Since we first spotted the advert 17 days ago, the asking price has dropped by £496. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Perrys Huddersfield Kia and MG, based in Huddersfield. 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: £571 (4%) under the AskCar estimate of £12,570.

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 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £12,495. Its asking price is now £11,999, £496 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 16 October 2026: £12,495
  • 23 October 2026: £11,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 July 2027.

It has had 6 MOTs. The latest, on 15 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 23,847 miles, which matches the advertised 24,490 miles.

Advertised mileage is about 29,800 miles lower 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, black. Mileage: 24,600 miles. Price: £11,795, £204 less than this car. Dealer: Finance Car Shop Ltd Leicester in Leicester. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-4b3d1532fa47
  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, silver. Mileage: 24,092 miles. Price: £12,990, £991 more than this car. Dealer: Heartys of Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-6c0cbc9a05f4
  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey. Mileage: 25,286 miles. Price: £12,990, £991 more than this car. Dealer: SG Petch Darlington in Darlington. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-78ced1360469
  • The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, red, 22 miles from this car. Mileage: 56,000 miles. Price: £7,495, £4,504 less than this car. Dealer: Carizmo in Manchester. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-831aa02241a3

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

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Photos

26 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.