2015 BMW 3 Series

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

£8,990

Good value: £1,148 under the typical £10,138 for this model, age and mileage, drawing on 6,811 adverts of this make and model.

Overview

Make: BMW
Model: 3 Series
Trim: M SPORT
Version: 3.0 335d M Sport Auto 4WD Euro 6 (s/s) 4dr (309 bhp)
Mileage: 114,000 miles
Year: 2015
Fuel type: Diesel
Body type: Saloon
Engine: 3.0 L
Gearbox: Automatic
Power: 309 bhp
Seats: 5
CO2: 145 g/km
Colour: Black
Doors: 4
Driven wheels: Four Wheel Drive
Engine badge: 335d
Emissions standard: Euro 6

About this car

With 114,000 miles on the clock, this 2015 BMW 3 Series M Sport has done roughly 24,000 more miles than a typical 2015 BMW 3 Series. Our estimated market asking price is £10,138. This car is advertised at £8,990, which is £1,148 below that figure. Our estimate draws on 6,811 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 96 days ago, the asking price has dropped by £1,200. That history is worth bearing in mind when speaking to the dealer. Its recorded MOT is valid until 7 December 2026, and its advertised mileage is consistent with the latest MOT reading. The seller is BA Motor Co, based in Windsor.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 July 2026, 96 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,200 from the first recorded £10,190. 3 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observed	Asking price
17 July 2026	£10,190
18 July 2026	£9,990
6 September 2026	£9,590
17 October 2026	£8,990
20 October 2026	£8,990

Price and mileage comparison

Estimated market asking price: £10,138. The asking price is £1,148 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 6,811 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 24,000 miles higher than typical for a 2015 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 7 December 2026. 105,162 miles at the last test.

156 other cars with the same year, trim, gearbox and fuel are for sale from £3,795 to £22,495.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£3,795	205,000 miles
£4,500	135,000 miles
£4,995	143,500 miles
£5,389	181,000 miles
£6,125	159,017 miles

These cars have covered 14,113–205,000 miles, compared with 114,000 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 · 2015 BMW 3 Series price guide

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Dealer

BA Motor Co, Windsor. Across the dealer network: 28 cars for sale.

Dealer postcode: SL4 5LH.