2018 BMW 3 Series 3.0 M Sport Shadow Edition

Version: 3.0 M Sport Shadow Edition Auto 4WD Euro 6 (s/s) 5dr Touring

Price: £20,800. Fair price: £1,059 (5%) over the AskCar estimate of £19,741, 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 M Sport Shadow Edition Auto 4WD Euro 6 (s/s) 5dr Touring
Mileage
70,997 miles
Year
2018
Fuel type
Diesel
Body type
Estate
Engine
3.0 L
Gearbox
Automatic
Seats
5
CO2
165 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Emissions standard
Euro 6

About this car

This 2018 BMW 3 Series M Sport Shadow Edition has covered 70,997 miles, around 2,100 fewer miles than is typical for its age. Its asking price of £20,800 is £1,059 above the AskCar estimate of £19,741. The AskCar estimate uses UK dealer asking prices, including 6,706 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 21 days ago. Its asking price has since fallen by £700. MOT records show an expiry date of 9 February 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Select Swindon, based in Swindon.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 9 October 2026, 21 days ago. Price reduced by £700 from £21,500 since AskCar first saw it. 1 price reduction recorded, the latest seen on 30 October 2026.

Recorded asking prices
Date observedAsking price
9 October 2026£21,500
30 October 2026£20,800

Price and mileage comparison

Fair price: £1,059 (5%) over the AskCar estimate of £19,741.

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 2,100 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 9 February 2027. 71,218 miles at the last test.

Other matching cars

86 other 2018 BMW 3 Series M Sport Shadow Edition automatic diesel cars are for sale at UK dealers from £7,995 to £28,989, as of 30 October 2026.

The 5 cheapest:

The 86 matching cars have covered 10,000 to 141,910 miles, compared with 70,997 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

12 photos of this car are 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.