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: 31,679 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 119 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda Mazda3 Sport Nav has covered 31,679 miles, around 21,700 fewer miles than is typical for its age. Its asking price of £11,599 is £396 below the AskCar estimate of £11,995. To work out the AskCar estimate, we analyse UK dealer adverts for 1,241 Mazda Mazda3 cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by cinch Corby in North Northamptonshire. 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

Fair price: £396 (3%) under the AskCar estimate of £11,995.

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

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: 43 of the 110 first advertised between 12 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £11,599. 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 4 November 2026: valid until 28 October 2027.

It has had 8 MOTs. The latest, on 29 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 31,677 miles, which matches the advertised 31,679 miles.

Advertised mileage is about 21,700 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, blue. Mileage: 31,514 miles. Price: £11,999, £400 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, white. Mileage: 31,197 miles. Price: £12,340, £741 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, silver. Mileage: 32,588 miles. Price: £11,548, £51 less than this car. Dealer: Vertu Nissan Stockton in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-d2c9c5e62b2d