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: 24,604 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 24,604 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 48,000 fewer miles than a typical 2018 BMW 3 Series. Its asking price of £16,395 is £269 below the AskCar estimate of £16,664. The AskCar estimate uses UK dealer asking prices, including 6,862 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 3 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Reading BMW, based in Reading. 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: £269 (1%) under the AskCar estimate of £16,664.

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 3 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 1 November 2026 at £16,395. 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 16 September 2027.

It has had 8 MOTs. The latest, on 14 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 24,331 miles, which matches the advertised 24,604 miles.

Advertised mileage is about 48,000 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

8 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 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, orange. Mileage: 20,700 miles. Price: £18,695, £2,300 more than this car. Dealer: Sytner Stevenage BMW in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-0da71af95e20
• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 47,650 miles. Price: £14,250, £2,145 less than this car. Dealer: Motorright in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-f0386768626f
• 2018 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 67,000 miles. Price: £12,995, £3,400 less than this car. Dealer: David Hayton Autostore Penrith in Penrith. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-8ae086d75f96

• The nearest: 2018 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 32 miles from this car. Mileage: 93,710 miles. Price: £10,378, £6,017 less than this car. Dealer: Shmmotors in London. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-53ab97324d24