2018 BMW 3 Series 2.0 320d M Sport
Price: £12,495. Fair price: £212 (1%) over the AskCar estimate of £12,283, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,862 priced BMW 3 Series adverts on AskCar as of 4 November 2026.
AskCar lists 7,147 used BMW 3 Series from 2,707 UK dealerships, as of 4 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
- Year: 2018
- Mileage: 83,000 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Blue
- CO2: 116 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 BMW 3 Series M Sport has covered 83,000 miles, around 10,400 more miles than is typical for its age. The AskCar estimate for this car is £12,283. It is priced at £12,495, which is £212 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 1 day ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sandhaven Car Sales, based in Durham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £212 (1%) over the AskCar estimate of £12,283.
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 diesel 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 1 day 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 3 November 2026 at £12,495. 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 17 June 2027.
It failed its MOT on 18 June 2026 (nearside front headlamp aim too high) and passed later the same day.
Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.
Mileage at that test: 82,959 miles, which matches the advertised 83,000 miles.
Advertised mileage is about 10,400 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.
Similar cars
43 other 2018 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £6,990 to £17,800, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 83,407 miles. Price: £11,500, £995 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-a87a5a6c200b
- 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 82,000 miles. Price: £11,990, £505 less than this car. Dealer: Auto Venue in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-08c79dcd8f53
- 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 84,033 miles. Price: £12,450, the same price as this car. Dealer: Kent Vehicles in Herne Common. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-e480f045f0a8
- The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, silver, 66 miles from this car. Mileage: 45,000 miles. Price: £15,495, £3,000 more than this car. Dealer: Worthway Motor Company in Keighley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-6c6b6bd921a2
Browse all BMW 3 Series cars for sale · 2018 BMW 3 Series price guide
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Photos
46 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.