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 (s/s) 5dr (118 bhp)
• Year: 2018
• Mileage: 24,782 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 118 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 129 g/km

About this car

At 24,782 miles, this 2018 Mazda Mazda3 Sport Nav has covered about 28,600 fewer miles than other 2018 Mazda Mazda3 cars. The AskCar estimate for this car is £13,848. It is priced at £14,100, which is £252 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,241 Mazda Mazda3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 139 days ago. Its asking price has since fallen by £1,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Beechwood (Derby) Limited (MAZDA, GWM & CHANGAN), based in Derby. 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: £252 (1%) over the AskCar estimate of £13,848.

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

This 2018 Mazda Mazda3 has been on sale for at least 139 days.

Price history

AskCar first saw this advert on 18 June 2026 at £15,200. Its asking price is now £14,100, £1,100 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 18 June 2026: £15,200
• 24 June 2026: £15,100
• 23 July 2026: £14,900
• 10 September 2026: £14,700
• 17 September 2026: £14,500
• 29 October 2026: £14,400
• 31 October 2026: £14,100

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 April 2027.

It failed its MOT on 28 April 2026 (rear brake pad(s) less than 1.5 mm thick) and passed 1 day later, on 29 April 2026.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread; nearside front tyre slightly damaged/cracking or perishing on limit; offside front tyre slightly damaged/cracking or perishing on limit; and 2 more.

Mileage at that test: 24,419 miles, which matches the advertised 24,782 miles.

Advertised mileage is about 28,600 miles lower 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, red. Mileage: 25,080 miles. Price: £13,499, £601 less than this car. Dealer: Days Motorpark in Swansea. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-6711d3a19c8d
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, red. Mileage: 33,500 miles. Price: £13,495, £605 less than this car. Dealer: Everycar in Clevedon. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-ced686573a81
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, red. Mileage: 8,157 miles. Price: £15,340, £1,240 more than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-5f26a8979563