2018 Mazda Mazda3 2.0 SKYACTIV-G Sport NAV

Overview

• Make: Mazda
• Model: Mazda3
• Trim: Sport NAV
• Version: 2.0 SKYACTIV-G Sport NAV Auto FWD Euro 6 (s/s) 5dr (119 bhp)
• Year: 2018
• Mileage: 57,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 119 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: White
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 57,000 miles, this 2018 Mazda Mazda3 Sport Nav has covered about 3,600 more miles than other 2018 Mazda Mazda3 cars. Its asking price of £11,450 is £143 above the AskCar estimate of £11,307. The AskCar estimate draws on 1,241 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 6 days. Its advertised mileage matches the government's MOT record. The seller is Windmill Motors, based in Bourne. 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: £143 (1%) over the AskCar estimate of £11,307.

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 6 days ago. 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 29 October 2026 at £11,450. 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 29 January 2027.

It has had 6 MOTs. The latest, on 20 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,396 miles, which matches the advertised 57,000 miles.

Advertised mileage is about 3,600 miles higher than the median mileage of a 2018 Mazda Mazda3 on AskCar.

Similar cars

8 other 2018 Mazda Mazda3 Sport NAV 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £8,891 to £15,340, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 50,800 miles. Price: £12,190, £740 more than this car. Dealer: Motorpod in Newport. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-ca2a04ed1167
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, silver. Mileage: 49,218 miles. Price: £11,900, £450 more than this car. Dealer: Surrey Specialist Cars in Guildford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-5b2412ff3baf
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 46,000 miles. Price: £12,499, £1,049 more than this car. Dealer: Stadium Motors in Deptford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-42684dcedf86

• The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey, 46 miles from this car. Mileage: 24,782 miles. Price: £14,100, £2,650 more than this car. Dealer: Beechwood (Derby) Limited (MAZDA, GWM & CHANGAN) in Derby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-6924f81bb311