2018 BMW 3 Series 2.0 320d M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d M Sport Manual RWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2018
• Mileage: 97,129 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: White
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 97,129 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 25,000 more miles than a typical 2018 BMW 3 Series. The AskCar estimate for this car is £9,628. It is priced at £9,700, which is £72 above that estimate. The AskCar estimate draws on 6,905 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Marshall Motor Group Exeter Audi, based in Exeter. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £72 (under 1%) over the AskCar estimate of £9,628.

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 6,905 priced BMW 3 Series adverts across different ages and specifications, as of 11 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 284 for sale on AskCar, as of 11 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: 293 of the 581 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £9,700. 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 11 November 2026: valid until 1 February 2027.

It has had 6 MOTs. The latest, on 2 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 84,547 miles, which matches the advertised 97,129 miles.

Advertised mileage is about 25,000 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

5 other 2018 BMW 3 Series M Sport 2.0 diesel manual saloons are for sale at UK dealers, from £9,000 to £14,279, as of 11 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 91,000 miles. Price: £12,495, £2,795 more than this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-25af4df00e84
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 81,197 miles. Price: £9,000, £700 less than this car. Dealer: 1Stop Car Sales in Spalding. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-3bd7d17581f8
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 71,000 miles. Price: £10,500, £800 more than this car. Dealer: Ax1 Autos in Denton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-bec3a73e46d4

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 120 miles from this car. Mileage: 45,000 miles. Price: £14,279, £4,579 more than this car. Dealer: LMC Family Car Centre in Bordon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-2cd4ae40a9ed