2018 BMW 3 Series Gran Turismo

2.0 320i M Sport Auto 4WD Euro 6 (s/s) 5dr GT (181 bhp)

£12,500

Good value: £2,303 under the typical £14,803 for this model, age and mileage, drawing on 140 adverts of this make and model.

Overview

Make
BMW
Model
3 Series Gran Turismo
Trim
M SPORT
Version
2.0 320i M Sport Auto 4WD Euro 6 (s/s) 5dr GT (181 bhp)
Mileage
49,310 miles
Year
2018
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
5
CO2
151 g/km
Colour
Blue
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
320i
Emissions standard
Euro 6

About this car

At 49,310 miles, this 2018 BMW 3 Series Gran Turismo M Sport has covered about 9,600 fewer miles than other 2018 BMW 3 Series Gran Turismo cars. The dealer is asking £12,500, which is £2,303 below our market estimate of £14,803. Our estimate draws on 140 BMW 3 Series Gran Turismo adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £2,500 lower than when we first recorded the advert 123 days ago. It may give you a starting point for a conversation about price. MOT records show an expiry date of 12 July 2027, and the latest recorded mileage is consistent with the advert. It is advertised by Car Planet Watford in Rickmansworth.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 June 2026, 123 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £2,500 from the first recorded £15,000. 9 price reductions recorded, the latest observed on 23 October 2026.

Recorded asking prices
Date observedAsking price
25 June 2026£15,000
7 July 2026£15,000
18 July 2026£14,750
19 July 2026£14,750
24 July 2026£14,600
25 July 2026£14,600
30 July 2026£14,300
13 August 2026£14,000
20 August 2026£13,700
5 October 2026£13,400
11 October 2026£13,100
17 October 2026£12,800
23 October 2026£12,500

Price and mileage comparison

Estimated market asking price: £14,803. The asking price is £2,303 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 140 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,600 miles lower than typical for a 2018 BMW 3 Series Gran Turismo.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 July 2027. 49,783 miles at the last test.

2 other cars with the same year, trim, gearbox and fuel are for sale from £8,495 to £12,995.

Other matching cars
Asking priceMileage
£8,495111,184 miles
£12,99575,000 miles

These cars have covered 75,000–111,184 miles, compared with 49,310 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 Gran Turismo cars for sale · 2018 BMW 3 Series Gran Turismo price guide

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