2018 Mazda Mazda3 2.0 SKYACTIV-G Sport NAV

Price: £10,000. Fair price: £178 (1%) over the AskCar estimate of £9,822, 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) 4dr Fastback (119 bhp)
  • Year: 2018
  • Mileage: 52,396 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 119 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 119 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 52,396 miles on the clock, this 2018 Mazda Mazda3 Sport Nav has done roughly 4,100 fewer miles than a typical 2018 Mazda Mazda3. The AskCar estimate for this car is £9,822. It is priced at £10,000, which is £178 above that estimate. The AskCar estimate draws on 1,234 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 44 days. Its advertised mileage matches the government's MOT record. It is advertised by Napier Motor Company in Horsham. 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: £178 (1%) over the AskCar estimate of £9,822.

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

This 2018 Mazda Mazda3 has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 23 September 2026 at £10,000. Its asking price has not changed.

Price changes recorded:

  • 23 September 2026: £10,000
  • 30 September 2026: £10,700
  • 11 October 2026: £10,500
  • 30 October 2026: £10,300
  • 6 November 2026: £10,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 22 January 2027.

It failed its MOT on 20 January 2026 (nearside front service brake excessively fluctuating; offside front service brake excessively fluctuating) and passed 3 days later, on 23 January 2026.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge 2mm and bald on edges; rear brake pad(s) wearing thin both sides; offside rear nail in tyre.

Mileage at that test: 49,232 miles, which matches the advertised 52,396 miles.

Advertised mileage is about 4,100 miles lower than the median mileage of a 2018 Mazda Mazda3 on AskCar.

Similar cars

1 other 2018 Mazda Mazda3 Sport NAV 2.0 petrol manual saloon is for sale at UK dealers, as of 6 November 2026.

The closest to this car in mileage:

  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol saloon, white. Mileage: 78,350 miles. Price: £7,695, £2,305 less than this car. Dealer: Wokingham Cars in Wokingham. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-f7136e32222d

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

More like this

Photos

40 photos of this car are 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.