2018 BMW 3 Series 2.0 320i M Sport Shadow Edition

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport Shadow Edition
• Version: 2.0 320i M Sport Shadow Edition Auto RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2018
• Mileage: 15,682 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

This 2018 BMW 3 Series M Sport Shadow Edition is advertised with 15,682 miles, approximately 56,500 below the typical mileage for its age. The AskCar estimate for this car is £18,871. It is priced at £19,890, which is £1,019 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 41 days ago, the asking price has dropped by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Williams Bmw Stockport, based in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,019 (5%) over the AskCar estimate of £18,871.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2018 BMW 3 Series with the 2.0 petrol engine is typically advertised at £12,500: the median of the 287 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 26 September 2026 at £20,890. Its asking price is now £19,890, £1,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 26 September 2026: £20,890
• 9 October 2026: £20,790
• 21 October 2026: £19,990
• 4 November 2026: £19,890

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 24 June 2027.

It has had 6 MOTs. The latest, on 12 June 2026, passed.

Advisories at the latest test: nearside front outer tyre has a cut but not deep enough to reach the ply or cords; nearside rear outer tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 14,895 miles, which matches the advertised 15,682 miles.

Advertised mileage is about 56,500 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

18 other 2018 BMW 3 Series M Sport Shadow Edition 2.0 petrol automatic saloons are for sale at UK dealers, from £10,994 to £19,990, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, black. Mileage: 20,031 miles. Price: £18,671, £1,219 less than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-22b6d064fa5e
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, blue. Mileage: 21,500 miles. Price: £17,990, £1,900 less than this car. Dealer: Sherwood Garage in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-66d18b23ccf5
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, blue. Mileage: 30,000 miles. Price: £16,995, £2,895 less than this car. Dealer: Myrtle Vehicle Sales in Bristol. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-61c20728982b

• The nearest: 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, black, 32 miles from this car. Mileage: 74,100 miles. Price: £12,495, £7,395 less than this car. Dealer: Motors For Less in Bradford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-811324e1c527