2018 BMW 3 Series 3.0 330d M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 3.0 330d M Sport Auto RWD Euro 6 (s/s) 4dr (254 bhp)
• Year: 2018
• Mileage: 46,943 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport has covered 46,943 miles, around 25,700 fewer miles than is typical for its age. Priced at £18,990, it is advertised £1,312 above the AskCar estimate of £17,678. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. We have tracked this advert for 46 days. Its advertised mileage matches the government's MOT record. It is for sale at Brownroyd Motors in Heywood. 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: £1,312 (7%) over the AskCar estimate of £17,678.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 3 Series with the 3.0 diesel engine is typically advertised at £18,000: the median of the 68 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 19 September 2026 at £18,990. 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 4 November 2026: valid until 11 March 2027.

It has had 6 MOTs. The latest, on 17 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,140 miles, which matches the advertised 46,943 miles.

Advertised mileage is about 25,700 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

10 other 2018 BMW 3 Series M Sport 3.0 diesel automatic saloons are for sale at UK dealers, from £10,790 to £23,840, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, blue. Mileage: 47,712 miles. Price: £19,000, the same price as this car. Dealer: Sytner Warwick BMW in Warwick. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-4f40b53520be
• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, blue. Mileage: 42,529 miles. Price: £17,800, £1,190 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-810b617b2d3e
• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, grey. Mileage: 53,168 miles. Price: £18,899, £91 less than this car. Dealer: MINI UK at Lookers Crewe in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d4571bc0f6f1

• The nearest: 2018 BMW 3 Series M Sport, 3.0 diesel saloon, blue, 8 miles from this car. Mileage: 116,000 miles. Price: £10,790, £8,200 less than this car. Dealer: Fish Motors in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-ea3a6d519928