2018 Mazda Mazda3 2.0 Sport NAV

Overview

• Make: Mazda
• Model: Mazda3
• Trim: Sport NAV
• Version: 2.0 Sport NAV Manual FWD 5dr (163 bhp)
• Year: 2018
• Mileage: 103,890 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 163 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 135 g/km

About this car

This 2018 Mazda Mazda3 Sport Nav is advertised with 103,890 miles, approximately 49,600 above the typical mileage for its age. The AskCar estimate for this car is £6,929. It is priced at £6,991, which is £62 above that estimate. The AskCar estimate draws on 1,226 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 12 days ago. Its advertised mileage matches the government's MOT record. The seller is Auto Investments UK (Aiuk), based in Leicester. 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: £62 (under 1%) over the AskCar estimate of £6,929.

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 £6,991. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 June 2027.

It has had 8 MOTs. The latest, on 18 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 102,457 miles, which matches the advertised 103,890 miles.

Advertised mileage is about 49,600 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 £7,495 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: 95,000 miles. Price: £7,680, £689 more than this car. Dealer: AG Cars Loughborough in Loughborough. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-a20efed5cbc0
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 94,000 miles. Price: £7,799, £808 more than this car. Dealer: Alex Scott Guidepost in Guide Post. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-53197bec1373
• 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, blue. Mileage: 90,566 miles. Price: £7,695, £704 more than this car. Dealer: Motor 44 in Wythenshawe. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-6ba0b8846aa9

• The nearest: 2018 Mazda Mazda3 Sport NAV, 2.0 petrol hatchback, black, under a mile from this car. Mileage: 24,600 miles. Price: £11,795, £4,804 more than this car. Dealer: Finance Car Shop Ltd Leicester in Leicester. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2018-4b3d1532fa47