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: 56,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 163 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda Mazda3 Sport Nav has covered 56,000 miles. The dealer is asking £7,495, which is £2,258 below the AskCar estimate of £9,753. To work out the AskCar estimate, we analyse UK dealer adverts for 1,226 Mazda Mazda3 cars across different ages and specifications. Since we first spotted the advert 15 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Carizmo in Manchester. 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

Good value: £2,258 (23%) under the AskCar estimate of £9,753.

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 15 days.

Price history

AskCar first saw this advert on 18 October 2026 at £7,995. Its asking price is now £7,495, £500 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 18 October 2026: £7,995
• 2 November 2026: £7,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 October 2027.

It has had 8 MOTs. The latest, on 17 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 56,063 miles, which matches the advertised 56,000 miles.

Advertised mileage is about 1,700 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, grey. Mileage: 54,251 miles. Price: £9,980, £2,485 more than this car. Dealer: Green 4 Motor Company Leamington Mazda in Warwick. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-d6eaaaba5439
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 59,263 miles. Price: £9,595, £2,100 more than this car. Dealer: Auto Hub North East in Peterlee. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-2b785ddbe733
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, black. Mileage: 52,543 miles. Price: £11,498, £4,003 more than this car. Dealer: Arnold Clark Birtley Motorstore / MG / Vanstore in Birtley. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-de79f3148181

• The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey, 5 miles from this car. Mileage: 86,134 miles. Price: £7,965, £470 more than this car. Dealer: TMC Car Sales in Stockport. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-eaea39ff7bf4