2018 BMW 3 Series

2.0 320i M Sport Shadow Edition Auto RWD Euro 6 (s/s) 4dr (181 bhp)

£17,990

Fair price: within 8% of the typical £18,674 for this model, age and mileage, drawing on 6,886 adverts of this make and model.

Overview

Make
BMW
Model
3 Series
Trim
M SPORT SHADOW EDITION
Version
2.0 320i M Sport Shadow Edition Auto RWD Euro 6 (s/s) 4dr (181 bhp)
Mileage
21,500 miles
Year
2018
Fuel type
Petrol
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
5
CO2
134 g/km
Colour
Blue
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
320i
Emissions standard
Euro 6

About this car

With 21,500 miles on the clock, this 2018 BMW 3 Series M Sport Shadow Edition has done roughly 52,500 fewer miles than a typical 2018 BMW 3 Series. At £17,990, it is advertised £684 below our estimated market asking price of £18,674. Our estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 36 days ago, the asking price has dropped by £500. Its MOT is recorded as valid until 28 June 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Sherwood Garage in Glasgow.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 September 2026, 36 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £500 from the first recorded £18,490. 1 price reduction recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
17 September 2026£18,490
16 October 2026£17,990
22 October 2026£17,990

Price and mileage comparison

Estimated market asking price: £18,674. The asking price is £684 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 6,886 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 52,500 miles lower than typical for a 2018 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 28 June 2027. 20,478 miles at the last test.

39 other cars with the same year, trim, gearbox and fuel are for sale from £8,795 to £29,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£8,795143,221 miles
£10,99489,000 miles
£11,42484,747 miles
£11,49093,512 miles
£11,584101,000 miles

These cars have covered 15,682–143,221 miles, compared with 21,500 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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