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: 24,092 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 24,092 miles, around 30,200 fewer miles than is typical for its age. Its asking price of £12,990 is £392 above the AskCar estimate of £12,598. The AskCar estimate draws on 1,226 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 98 days ago, the asking price has dropped by £460. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Heartys of Peterborough, based in Peterborough. 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: £392 (3%) over the AskCar estimate of £12,598.

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 98 days.

Price history

AskCar first saw this advert on 27 July 2026 at £13,450. Its asking price is now £12,990, £460 less. The latest price cut was seen on 9 September 2026.

Price changes recorded:

• 27 July 2026: £13,450
• 29 July 2026: £13,350
• 9 September 2026: £12,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 June 2027.

It failed its MOT on 1 June 2026 (nearside front tyre has a tear, caused by separation or partial failure of its structure; offside front tyre has a tear, caused by separation or partial failure of its structure) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 23,924 miles, which matches the advertised 24,092 miles.

Advertised mileage is about 30,200 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: 24,490 miles. Price: £11,999, £991 less than this car. Dealer: Perrys Huddersfield Kia and MG in Huddersfield. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-2bdac96b45a2
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, black. Mileage: 24,600 miles. Price: £11,795, £1,195 less than this car. Dealer: Finance Car Shop Ltd Leicester in Leicester. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-4b3d1532fa47
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey. Mileage: 25,286 miles. Price: £12,990, the same price as this car. Dealer: SG Petch Darlington in Darlington. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-78ced1360469

• The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue, 18 miles from this car. Mileage: 31,514 miles. Price: £12,399, £591 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-7c46d2256e11