2018 Mazda Mazda3 2.0 SKYACTIV-G Sport NAV

Price: £10,490. Good value: £1,705 (13%) under the AskCar estimate of £12,195, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,241 priced Mazda Mazda3 adverts on AskCar as of 4 November 2026.

AskCar lists 1,279 used Mazda Mazda3 from 675 UK dealerships, as of 4 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: 29,009 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 119 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 119 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda Mazda3 Sport Nav has covered 29,009 miles, around 24,400 fewer miles than is typical for its age. The AskCar estimate for this car is £12,195. It is priced at £10,490, which is £1,705 below that estimate. The AskCar estimate draws on 1,241 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 98 days ago, and its asking price has since fallen by £2,510. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Assured Lincoln, based in Lincoln. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Good value: £1,705 (13%) under the AskCar estimate of £12,195.

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 1,241 priced Mazda Mazda3 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £10,000: the median of the 75 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Mazda Mazda3 has been on sale for at least 98 days.

Price history

AskCar first saw this advert on 29 July 2026 at £13,000. Its asking price is now £10,490, £2,510 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 29 July 2026: £13,000
  • 3 August 2026: £12,750
  • 6 August 2026: £11,995
  • 21 August 2026: £12,245
  • 27 August 2026: £12,240
  • 2 September 2026: £12,390
  • 10 September 2026: £12,290
  • 23 September 2026: £11,990
  • 1 October 2026: £11,745
  • 11 October 2026: £11,495
  • 15 October 2026: £11,295
  • 24 October 2026: £10,995
  • 28 October 2026: £10,795
  • 4 November 2026: £10,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 4 March 2027.

It has had 7 MOTs. The latest, on 23 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 27,581 miles, which matches the advertised 29,009 miles.

Advertised mileage is about 24,400 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, white. Mileage: 31,197 miles. Price: £12,340, £1,850 more than this car. Dealer: Billing Car and Van Centre in Northampton. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-fa997e03e796
  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 31,514 miles. Price: £11,999, £1,509 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-7c46d2256e11
  • 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, black. Mileage: 31,679 miles. Price: £11,599, £1,109 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-e1700030e070
  • The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, white, 37 miles from this car. Mileage: 95,000 miles. Price: £7,680, £2,810 less than this car. Dealer: AG Cars Loughborough in Loughborough. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-a20efed5cbc0

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

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Photos

32 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.