2020 BMW 3 Series

M Sport Auto Euro 6 4dr (288 bhp)

£13,950

Good value: £2,302 under the typical £16,252 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: M Sport Auto Euro 6 4dr (288 bhp)
Mileage: 99,000 miles
Year: 2020
Fuel type: Petrol Hybrid
Body type: Saloon
Gearbox: Automatic
Power: 288 bhp
Seats: 5
CO2: 198 g/km
Colour: Blue
Doors: 4
Emissions standard: Euro 6

About this car

This 2020 BMW 3 Series M Sport has covered 99,000 miles, around 40,400 more than typical for its age. Its asking price of £13,950 is £2,302 below our estimate of £16,252. We use UK dealer asking prices, including 6,849 BMW 3 Series listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 39 days ago. Its recorded MOT is valid until 2 September 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Cygnet Automotive in Watlington.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 13 September 2026, 39 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observed	Asking price
13 September 2026	£13,950
21 October 2026	£13,950

Price and mileage comparison

Estimated market asking price: £16,252. The asking price is £2,302 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 40,400 miles higher than typical for a 2020 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 2 September 2027. 34,652 miles at the last test.

5 other cars with the same year, trim, gearbox and fuel are for sale from £16,194 to £22,995.

Other matching cars
Asking price	Mileage
£16,194	87,482 miles
£18,989	64,000 miles
£19,995	53,376 miles
£21,995	54,000 miles
£22,995	39,950 miles

These cars have covered 39,950–87,482 miles, compared with 99,000 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 · 2020 BMW 3 Series price guide

Similar cars for less

Dealer

Cygnet Automotive, Watlington. Across the dealer network: 13 cars for sale.

Dealer postcode: OX49 5AZ.