2018 BMW 3 Series 3.0

Price: £12,995. Good value: £3,014 (18%) under the AskCar estimate of £16,009, 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
  • Version: 3.0 Auto
  • Year: 2018
  • Mileage: 57,000 miles
  • Fuel: Diesel
  • Body: Saloon
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Black
  • CO2: 151 g/km

About this car

At 57,000 miles, this 2018 BMW 3 Series has covered about 15,600 fewer miles than other 2018 BMW 3 Series cars. The AskCar estimate for this car is £16,009. It is priced at £12,995, which is £3,014 below that estimate. 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 4 days. Its advertised mileage matches the government's MOT record. You can find this car at Sterling Cars 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

Good value: £3,014 (18%) under the AskCar estimate of £16,009.

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 3.0 diesel engine is typically advertised at £18,000: the median of the 68 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 BMW 3 Series advertised 4 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 31 October 2026 at £12,995. 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 September 2027.

It has had 2 MOTs. The latest, on 18 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 56,849 miles, which matches the advertised 57,000 miles.

Advertised mileage is about 15,600 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

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

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Photos

32 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.