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: 72,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 119 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda Mazda3 Sport Nav has covered 72,000 miles, around 15,500 more miles than is typical for its age. The AskCar estimate for this car is £9,058. It is priced at £8,500, which is £558 below 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 have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Car Zone Staines, based in Staines. 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: £558 (6%) under the AskCar estimate of £9,058.

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 £8,500. 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 14 October 2027.

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

There were no advisories at the latest test.

Mileage at that test: 72,453 miles, which matches the advertised 72,000 miles.

Advertised mileage is about 15,500 miles higher 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: 75,376 miles. Price: £7,995, £505 less than this car. Dealer: Vibe Motors in Harrow. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-b3f5979b7db1
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey. Mileage: 65,339 miles. Price: £9,350, £850 more than this car. Dealer: RSG Motor Group in Ascot. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-9466610a31a4
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, white. Mileage: 65,275 miles. Price: £9,498, £998 more than this car. Dealer: Arnold Clark East Kilbride Vauxhall in East Kilbride. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-43eab3e4ce8d