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: 21,500 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 21,500 miles on the clock, this 2018 BMW 3 Series M Sport Shadow Edition has done roughly 51,400 fewer miles than a typical 2018 BMW 3 Series. Priced at £17,990, it is advertised £407 below the AskCar estimate of £18,397. The AskCar estimate draws on 6,742 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 46 days ago, the asking price has dropped by £500. Its advertised mileage matches the government's MOT record. The seller is Sherwood Garage, based in Glasgow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £407 (2%) under the AskCar estimate of £18,397.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW 3 Series with the 2.0 petrol engine is typically advertised at £12,500: the median of the 284 for sale on AskCar, as of 2 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 17 September 2026 at £18,490. Its asking price is now £17,990, £500 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 17 September 2026: £18,490
• 16 October 2026: £17,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 June 2027.

It has had 7 MOTs. The latest, on 26 June 2026, passed.

Advisories at the latest test: windscreen excessively tinted but not adversely affecting driver's view; nearside rear nail in tyre punctured.

Mileage at that test: 20,478 miles, which matches the advertised 21,500 miles.

Advertised mileage is about 51,400 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

20 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 2 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: £19,400, £1,410 more 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, grey. Mileage: 15,682 miles. Price: £19,990, £2,000 more than this car. Dealer: Williams Bmw Stockport in Stockport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-1f8476144408
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, blue. Mileage: 30,000 miles. Price: £16,995, £995 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, white, under a mile from this car. Mileage: 48,490 miles. Price: £15,498, £2,492 less than this car. Dealer: Arnold Clark Glasgow Hamilton Road Vauxhall / Fiat / Abarth in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-42c5f27d69e1