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: 74,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport has covered 74,000 miles. The dealer is asking £11,990, which is £213 below the AskCar estimate of £12,203. To work out the AskCar estimate, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at R8 Motors in Greenford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £213 (1%) under the AskCar estimate of £12,203.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 14 November 2026.

A 2018 BMW 3 Series with the 2.0 petrol engine is typically advertised at £12,500: the median of the 298 for sale on AskCar, as of 14 November 2026.

Time on sale

AskCar first saw this 2018 BMW 3 Series advertised today. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 289 of the 587 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 14 November 2026 at £11,990. 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 14 November 2026: valid until 28 October 2027.

It has had 8 MOTs. The latest, on 29 October 2026, passed.

Advisories at the latest test: front windscreen damaged but not adversely affecting driver's view CHIP; offside front outer tyre worn close to legal limit/worn on edge; front brake disc worn, pitted or scored, but not seriously weakened BOTH SIDES.

Mileage at that test: 74,026 miles, which matches the advertised 74,000 miles.

Advertised mileage is about 1,900 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

7 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 14 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, £1,005 more 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, grey. Mileage: 89,000 miles. Price: £10,500, £1,490 less than this car. Dealer: Radley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-f89a9f803e65
• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 93,710 miles. Price: £10,378, £1,612 less than this car. Dealer: Shmmotors in London. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-53ab97324d24