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: 89,000 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

With 89,000 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 16,800 more miles than a typical 2018 BMW 3 Series. Its asking price of £10,500 is £362 below the AskCar estimate of £10,862. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 9 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Radley Motor Company in Garretts Green. 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: £362 (3%) under the AskCar estimate of £10,862.

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 9 days.

Price history

AskCar first saw this advert on 28 October 2026 at £10,500. 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 6 November 2026: valid until 7 March 2027.

It failed its MOT on 2 March 2026 (front windscreen washer provides insufficient washer liquid) and passed later the same day.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 86,710 miles, which matches the advertised 89,000 miles.

Advertised mileage is about 16,800 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

9 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 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 90,000 miles. Price: £10,698, £198 more than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-064642191f73
• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 93,710 miles. Price: £10,378, £122 less than this car. Dealer: Shmmotors in London. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-53ab97324d24
• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 71,852 miles. Price: £11,890, £1,390 more than this car. Dealer: Motor Gurus in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-7f52a4f6b30e