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: 48,490 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 Shadow Edition has covered 48,490 miles, around 24,100 fewer miles than is typical for its age. Priced at £15,498, it is advertised £304 below the AskCar estimate of £15,802. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 5 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Glasgow Hamilton Road Vauxhall / Fiat / Abarth, based in Glasgow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £304 (1%) under the AskCar estimate of £15,802.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 3 Series with the 2.0 petrol engine is typically advertised at £12,500: the median of the 286 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 BMW 3 Series advertised 5 days ago. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 269 of the 532 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £15,498. 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 4 November 2026: valid until 22 October 2027.

It has had 8 MOTs. The latest, on 23 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,497 miles, which matches the advertised 48,490 miles.

Advertised mileage is about 24,100 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

19 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 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, white. Mileage: 48,680 miles. Price: £16,399, £901 more than this car. Dealer: World Cars in Egham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-b61dfd1cc581
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, white. Mileage: 53,252 miles. Price: £14,500, £998 less than this car. Dealer: Gp Car Sales in Cradley Heath. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-721573609715
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, red. Mileage: 43,661 miles. Price: £16,991, £1,493 more than this car. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-6e594a597317

• The nearest: 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, blue, under a mile from this car. Mileage: 21,500 miles. Price: £17,990, £2,492 more than this car. Dealer: Sherwood Garage in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-66d18b23ccf5