2018 BMW 3 Series 3.0 340i M Sport Shadow Edition

Version: 3.0 340i M Sport Shadow Edition Auto RWD Euro 6 (s/s) 4dr (322 bhp)

Price: £21,875. Fair price: £542 (2%) over the AskCar estimate of £21,333, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,706 priced BMW 3 Series adverts on AskCar as of 30 October 2026.

AskCar lists 6,987 used BMW 3 Series from 2,629 UK dealerships, as of 30 October 2026.

Overview

Make
BMW
Model
3 Series
Trim
M Sport Shadow Edition
Version
3.0 340i M Sport Shadow Edition Auto RWD Euro 6 (s/s) 4dr (322 bhp)
Mileage
59,243 miles
Year
2018
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
322 bhp
Seats
5
CO2
159 g/km
Colour
Black
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
340i
Emissions standard
Euro 6

About this car

This 2018 BMW 3 Series M Sport Shadow Edition is advertised with 59,243 miles, approximately 13,800 below the typical mileage for its age. The dealer is asking £21,875, which is £542 above the AskCar estimate of £21,333. To work out the AskCar estimate, we analyse UK dealer adverts for 6,706 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records today. Its recorded MOT is valid until 31 October 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Group 1 Worthing BMW, based in Littlehampton.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£21,875

Price and mileage comparison

Fair price: £542 (2%) over the AskCar estimate of £21,333.

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 6,706 priced BMW 3 Series adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 13,800 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 31 October 2027. 59,243 miles at the last test.

Other matching cars

41 other 2018 BMW 3 Series M Sport Shadow Edition automatic petrol cars are for sale at UK dealers from £8,795 to £29,995, as of 30 October 2026.

The 5 cheapest:

The 41 matching cars have covered 15,682 to 143,221 miles, compared with 59,243 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

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

More like this

Photos

1 photo of this car is on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.