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: 49,130 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 119 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda Mazda3 Sport Nav has covered 49,130 miles, around 5,100 fewer miles than is typical for its age. The AskCar estimate for this car is £10,740. It is priced at £11,559, which is £819 above that estimate. The AskCar estimate uses 1,226 UK dealer adverts for the Mazda Mazda3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 30 days ago. Its asking price has since fallen by £609. Our latest MOT record expired on 17 October 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Eden Vauxhall Exeter, based in Exeter. 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: £819 (7%) over the AskCar estimate of £10,740.

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 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £12,168. Its asking price is now £11,559, £609 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 3 October 2026: £12,168
• 18 October 2026: £11,559

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 17 October 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 10 October 2025, passed.

Advisories at the latest test: rear sub-frame corroded but not seriously weakened; offside rear outer tyre slightly damaged/cracking or perishing sidewall has slight cut; rear anti-roll bar linkage corroded but not seriously weakened both sides.

Mileage at that test: 41,800 miles, which matches the advertised 49,130 miles.

Advertised mileage is about 5,100 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, black. Mileage: 48,325 miles. Price: £10,290, £1,269 less than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-79cb072b5543
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, grey. Mileage: 50,000 miles. Price: £9,995, £1,564 less than this car. Dealer: Autopark UK in Meadowfield. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-a4674910f3c7
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, black. Mileage: 52,543 miles. Price: £11,498, £61 less 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, 73 miles from this car. Mileage: 86,000 miles. Price: £8,999, £2,560 less than this car. Dealer: Trust Motor Company in Ferndown. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-208089f67d5c