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: 41,950 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

At 41,950 miles, this 2018 Mazda Mazda3 Sport Nav has covered about 12,300 fewer miles than other 2018 Mazda Mazda3 cars. The dealer is asking £11,200, which is £63 below the AskCar estimate of £11,263. To work out the AskCar estimate, we analyse UK dealer adverts for 1,226 Mazda Mazda3 cars across different ages and specifications. We first saw this car advertised 23 days ago. Its asking price has since fallen by £600. The government's MOT record matches its advertised mileage. It is advertised by Napier Motor Company in Horsham. 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: £63 (under 1%) under the AskCar estimate of £11,263.

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 23 days.

Price history

AskCar first saw this advert on 10 October 2026 at £11,800. Its asking price is now £11,200, £600 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 10 October 2026: £11,800
• 11 October 2026: £11,500
• 30 October 2026: £11,200

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 31 January 2027.

It failed its MOT on 14 October 2026 (offside front lower anti-roll bar linkage fractured) and passed 1 day later, on 15 October 2026.

There were no advisories at the latest test.

Mileage at that test: 41,950 miles, which matches the advertised 41,950 miles.

Advertised mileage is about 12,300 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, blue. Mileage: 42,297 miles. Price: £11,750, £550 more than this car. Dealer: Bowens Garage in Ross-on-Wye. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-a02af8dd8343
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, red. Mileage: 41,548 miles. Price: £9,850, £1,350 less than this car. Dealer: Drive Motor Retail drivedirect Darlington Vauxhall in Darlington. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-0ca94a46902e
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, black. Mileage: 48,325 miles. Price: £10,290, £910 less than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-79cb072b5543

• The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey, 28 miles from this car. Mileage: 65,339 miles. Price: £9,350, £1,850 less than this car. Dealer: RSG Motor Group in Ascot. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-9466610a31a4