2015 BMW 3 Series

3.0 M Sport Auto 2dr

£18,495

Above the going rate: £1,905 over the typical £16,590 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
Version: 3.0 M Sport Auto 2dr
Mileage: 28,690 miles
Year: 2015
Fuel type: Diesel
Engine: 3.0 L
Gearbox: Automatic
Seats: 5
CO2: 139 g/km
Colour: Black
Doors: 2

About this car

With 28,690 miles on the clock, this 2015 BMW 3 Series M Sport has done roughly 61,300 fewer miles than a typical 2015 BMW 3 Series. Our estimated market asking price is £16,590. This car is advertised at £18,495, which is £1,905 above that figure. We use UK dealer asking prices, including 6,849 BMW 3 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 28 days ago, the asking price has dropped by £400. Its MOT is recorded as valid until 18 August 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Summit Sports and Classics in Fakenham.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 24 September 2026, 28 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £400 from the first recorded £18,895. 1 price reduction recorded, the latest observed on 12 October 2026.

Recorded asking prices
Date observed	Asking price
25 September 2026	£18,895
12 October 2026	£18,495
21 October 2026	£18,495

Price and mileage comparison

Estimated market asking price: £16,590. The asking price is £1,905 above 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 61,300 miles lower than typical for a 2015 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 18 August 2027. 28,692 miles at the last test.

157 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 28,690 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

Summit Sports and Classics, Fakenham. Across the dealer network: 8 cars for sale.

Dealer postcode: NR21 9JB.