2018 BMW 3 Series

3.0 335d M Sport Shadow Edition Auto 4WD Euro 6 (s/s) 5dr Touring (309 bhp)

£16,490

Fair price: within 8% of the typical £16,910 for this model, age and mileage, drawing on 6,849 adverts of this make and model.

Overview

Make: BMW
Model: 3 Series
Trim: M SPORT SHADOW EDITION
Version: 3.0 335d M Sport Shadow Edition Auto 4WD Euro 6 (s/s) 5dr Touring (309 bhp)
Mileage: 95,691 miles
Year: 2018
Fuel type: Diesel
Body type: Estate
Engine: 3.0 L
Gearbox: Automatic
Power: 309 bhp
Seats: 5
CO2: 165 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: 335d
Emissions standard: Euro 6

About this car

This 2018 BMW 3 Series M Sport Shadow Edition is advertised with 95,691 miles, approximately 21,800 above the typical mileage for its age. The dealer is asking £16,490, which is £420 below our market estimate of £16,910. Our estimate draws on 6,849 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £500 lower than when we first recorded the advert 117 days ago. That may be worth mentioning if you discuss the price with the dealer. MOT records show an expiry date of 18 June 2027, and the latest recorded mileage is consistent with the advert. It is for sale at Auto Unit in Newport.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 27 June 2026, 117 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £500 from the first recorded £16,990. 3 price reductions recorded, the latest observed on 27 September 2026.

Recorded asking prices
Date observed	Asking price
27 June 2026	£16,990
6 July 2026	£16,990
11 July 2026	£17,390
13 July 2026	£17,290
8 August 2026	£16,990
17 September 2026	£16,790
27 September 2026	£16,490
21 October 2026	£16,490

Price and mileage comparison

Estimated market asking price: £16,910. The asking price is £420 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 6,849 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 21,800 miles higher than typical for a 2018 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 18 June 2027. 95,429 miles at the last test.

85 other cars with the same year, trim, gearbox and fuel are for sale from £7,995 to £28,989.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£7,995	141,910 miles
£9,995	126,000 miles
£10,495	106,800 miles
£10,990	120,000 miles
£11,000	99,800 miles

These cars have covered 10,000–141,910 miles, compared with 95,691 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

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Dealer

Auto Unit, Newport. Across the dealer network: 60 cars for sale.

Dealer postcode: NP20 5NS.