2018 BMW 3 Series

2.0 320d Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)

£16,454

Fair price: within 8% of the typical £16,510 for this model, age and mileage, drawing on 6,764 adverts of this make and model.

Overview

Make
BMW
Model
3 Series
Trim
SPORT
Version
2.0 320d Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
Mileage
15,697 miles
Year
2018
Fuel type
Diesel
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
116 g/km
Colour
Blue
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
320d
Emissions standard
Euro 6

About this car

At 15,697 miles, this 2018 BMW 3 Series Sport has covered about 57,300 fewer miles than other 2018 BMW 3 Series cars. Our estimated market asking price is £16,510. This car is advertised at £16,454, which is £56 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 6,764 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 139 days ago. MOT records show an expiry date of 4 June 2027, and the latest recorded mileage is consistent with the advert. It is advertised by SLM Select in St. Leonards-on-SEA.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 3 June 2026, 139 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observedAsking price
3 June 2026£15,997
16 June 2026£15,925
24 June 2026£16,754
11 July 2026£16,754
14 July 2026£16,254
5 September 2026£15,457
23 September 2026£16,454
19 October 2026£16,454

Price and mileage comparison

Estimated market asking price: £16,510. The asking price is £56 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 6,764 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 57,300 miles lower than typical for a 2018 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 4 June 2027. 15,711 miles at the last test.

7 other cars with the same year, trim, gearbox and fuel are for sale from £8,990 to £13,299.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£8,99091,220 miles
£10,95060,000 miles
£11,45096,000 miles
£11,99588,000 miles
£12,29069,079 miles

These cars have covered 50,000–96,000 miles, compared with 15,697 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

Similar cars for less

Dealer

SLM Select, St. Leonards-on-SEA. Across the dealer network: 15 branches, 531 cars for sale.

Dealer postcode: TN38 9QQ.

Dealer opening hours

Monday
08:30-18:00
Tuesday
08:30-18:00
Wednesday
08:30-18:00
Thursday
08:30-18:00
Friday
08:30-18:00
Saturday
09:00-17:00
Sunday
10:00-16:00

Vehicle photos