2018 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2018
• Mileage: 47,650 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,650 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 24,500 fewer miles than a typical 2018 BMW 3 Series. The dealer is asking £14,250, which is £416 below the AskCar estimate of £14,666. To work out the AskCar estimate, we analyse UK dealer adverts for 6,822 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 39 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Motorright in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £416 (2%) under the AskCar estimate of £14,666.

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 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.

A 2018 BMW 3 Series with the 2.0 petrol engine is typically advertised at £12,500: the median of the 281 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 39 days.

Price history

AskCar first saw this advert on 30 September 2026 at £14,250. 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 8 November 2026: valid until 1 December 2026.

It has had 6 MOTs. The latest, on 2 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 46,509 miles, which matches the advertised 47,650 miles.

Advertised mileage is about 24,500 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

8 other 2018 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £10,378 to £18,695, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 67,000 miles. Price: £12,995, £1,255 less than this car. Dealer: David Hayton Autostore Penrith in Penrith. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-8ae086d75f96
• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, silver. Mileage: 24,604 miles. Price: £16,994, £2,744 more than this car. Dealer: Group 1 Reading BMW in Reading. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-c4abe98dd805
• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 71,852 miles. Price: £11,890, £2,360 less than this car. Dealer: Motor Gurus in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-7f52a4f6b30e

• The nearest: 2018 BMW 3 Series M Sport, 2.0 petrol saloon, black, 25 miles from this car. Mileage: 90,000 miles. Price: £10,698, £3,552 less than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-064642191f73