2018 Mazda Mazda3 2.0 SKYACTIV-G Sport NAV

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: 50,000 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 50,000 miles on the clock. The dealer is asking £9,995, which is £683 below the AskCar estimate of £10,678. To work out the AskCar estimate, we analyse UK dealer adverts for 1,226 Mazda Mazda3 cars across different ages and specifications. We first recorded this advert 45 days ago, and its asking price has since fallen by £400. The latest MOT recorded 52,507 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expires on 30 July 2027. You can find this car at Autopark UK in Meadowfield. 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: £683 (6%) under the AskCar estimate of £10,678.

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 45 days.

Price history

AskCar first saw this advert on 18 September 2026 at £10,395. Its asking price is now £9,995, £400 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 18 September 2026: £10,395
• 14 October 2026: £9,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 July 2027.

It has had 7 MOTs. The latest, on 27 July 2026, passed.

Advisories at the latest test: offside front brake pipe corroded, covered in grease or other material; nearside front service brake fluctuating, but not excessively; offside front service brake fluctuating, but not excessively.

Mileage at that test: 52,507 miles. The advert says 50,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 4,300 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, grey. Mileage: 49,130 miles. Price: £11,559, £1,564 more than this car. Dealer: Eden Vauxhall Exeter in Exeter. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-1a571a0eef22
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, black. Mileage: 48,325 miles. Price: £10,290, £295 more than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-79cb072b5543
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, black. Mileage: 52,543 miles. Price: £11,498, £1,503 more than this car. Dealer: Arnold Clark Birtley Motorstore / MG / Vanstore in Birtley. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-de79f3148181

• The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue, 10 miles from this car. Mileage: 59,263 miles. Price: £9,595, £400 less than this car. Dealer: Auto Hub North East in Peterlee. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-2b785ddbe733