2018 BMW 3 Series 2.0 320i Sport

Price: £8,728. Fair price: £275 (3%) under the AskCar estimate of £9,003, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.

AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: Sport
  • Version: 2.0 320i Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
  • Year: 2018
  • Mileage: 102,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series Sport is advertised with 102,000 miles, approximately 29,800 above the typical mileage for its age. The dealer is asking £8,728, which is £275 below the AskCar estimate of £9,003. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 161 days. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Mobberley Motors in Knutsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £275 (3%) under the AskCar estimate of £9,003.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW 3 Series with the 2.0 petrol engine is typically advertised at £12,500: the median of the 292 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 161 days. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 273 of the 537 first advertised between 10 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £8,728. 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 5 November 2026: valid until 29 April 2027.

It failed its MOT on 29 April 2026 (parking brake efficiency below requirements) and passed 1 day later, on 30 April 2026.

There were no advisories at the latest test.

Mileage at that test: 102,140 miles, which matches the advertised 102,000 miles.

Advertised mileage is about 29,800 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

8 other 2018 BMW 3 Series Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £9,290 to £13,000, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 3 Series Sport, 2.0 petrol saloon, white. Mileage: 90,226 miles. Price: £9,995, £1,267 more than this car. Dealer: Autozone Cars in Whitburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-83df63c3df2d
  • 2018 BMW 3 Series Sport, 2.0 petrol saloon, white. Mileage: 83,018 miles. Price: £9,290, £562 more than this car. Dealer: Junction 27 Motors in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-7c371c7d9f37
  • 2018 BMW 3 Series Sport, 2.0 petrol saloon, blue. Mileage: 67,125 miles. Price: £11,998, £3,270 more than this car. Dealer: Arnold Clark Kilmarnock Peugeot Jeep Leapmotor in Kilmarnock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-2985afe509fd
  • The nearest: 2018 BMW 3 Series Sport, 2.0 petrol saloon, black, under a mile from this car. Mileage: 58,000 miles. Price: £13,000, £4,272 more than this car. Dealer: Mobberley Motors in Knutsford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-f4cf1139cfd6

Browse all BMW 3 Series cars for sale · 2018 BMW 3 Series price guide

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Photos

42 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.