2018 BMW 3 Series 3.0 330d M Sport

Version: 3.0 330d M Sport Auto RWD Euro 6 (s/s) 4dr (254 bhp)

Price: £18,650. Fair price: £279 (1%) under the AskCar estimate of £18,929, 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
Version
3.0 330d M Sport Auto RWD Euro 6 (s/s) 4dr (254 bhp)
Mileage
35,965 miles
Year
2018
Fuel type
Diesel
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
254 bhp
Seats
5
CO2
131 g/km
Colour
White
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
330d
Emissions standard
Euro 6

About this car

This 2018 BMW 3 Series M Sport is advertised with 35,965 miles, approximately 37,100 below the typical mileage for its age. The AskCar estimate for this car is £18,929. It is priced at £18,650, which is £279 below that estimate. 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 48 days ago. Its asking price has since fallen by £1,345. Our latest MOT record expired on 6 October 2026. Check the current position with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Group 1 Ipswich BMW, based in Ipswich.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 12 September 2026, 48 days ago. Price reduced by £1,345 from £19,995 since AskCar first saw it. 5 price reductions recorded, the latest seen on 23 October 2026.

Recorded asking prices
Date observedAsking price
12 September 2026£19,995
23 September 2026£19,795
29 September 2026£19,290
4 October 2026£18,990
14 October 2026£18,795
23 October 2026£18,650
30 October 2026£18,650

Price and mileage comparison

Fair price: £279 (1%) under the AskCar estimate of £18,929.

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 37,100 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: the latest record we hold ran out on 6 October 2026; ask the dealer for the current MOT. 35,882 miles at the last test.

Other matching cars

80 other 2018 BMW 3 Series M Sport automatic diesel cars are for sale at UK dealers from £6,990 to £23,840, as of 30 October 2026.

The 5 cheapest:

The 80 matching cars have covered 16,000 to 157,000 miles, compared with 35,965 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

23 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.