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 (163 bhp)
• Year: 2018
• Mileage: 65,339 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 163 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 65,339 miles on the clock, this 2018 Mazda Mazda3 Sport Nav has done roughly 11,100 more miles than a typical 2018 Mazda Mazda3. The dealer is asking £9,350, which is £268 above the AskCar estimate of £9,082. 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 12 days ago, and its asking price has since fallen by £150. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at RSG Motor Group in Ascot. 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: £268 (2%) over the AskCar estimate of £9,082.

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 12 days.

Price history

AskCar first saw this advert on 21 October 2026 at £9,500. Its asking price is now £9,350, £150 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 21 October 2026: £9,500
• 31 October 2026: £9,350

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 January 2027.

It has had 8 MOTs. The latest, on 5 January 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin; windscreen damaged but not adversely affecting driver's view; nearside front tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 61,248 miles, which matches the advertised 65,339 miles.

Advertised mileage is about 11,100 miles higher 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, white. Mileage: 65,275 miles. Price: £9,498, £148 more than this car. Dealer: Arnold Clark East Kilbride Vauxhall in East Kilbride. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-43eab3e4ce8d
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 64,282 miles. Price: £10,498, £1,148 more than this car. Dealer: Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas in Glasgow. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-731e240a3ba6
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, white. Mileage: 61,394 miles. Price: £9,440, £90 more than this car. Dealer: Group 1 Assured Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-885ca69de3a5

• The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, red, 17 miles from this car. Mileage: 75,376 miles. Price: £7,995, £1,355 less than this car. Dealer: Vibe Motors in Harrow. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-b3f5979b7db1