2020 BMW 3 Series

3.0 330d M Sport Auto RWD Euro 6 4dr (261 bhp)

£20,819

Good value: £2,495 under the typical £23,314 for this model, age and mileage, drawing on 6,724 adverts of this make and model.

Overview

Make
BMW
Model
3 Series
Trim
M SPORT
Version
3.0 330d M Sport Auto RWD Euro 6 4dr (261 bhp)
Mileage
42,102 miles
Year
2020
Fuel type
Diesel
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
261 bhp
Seats
5
CO2
150 g/km
Colour
White
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
330d
Emissions standard
Euro 6

About this car

This 2020 BMW 3 Series M Sport is advertised with 42,102 miles, approximately 16,300 below the typical mileage for its age. The dealer is asking £20,819, which is £2,495 below our market estimate of £23,314. We use UK dealer asking prices, including 6,724 BMW 3 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 34 days ago, the asking price has dropped by £204. MOT records show an expiry date of 29 June 2027, and the latest recorded mileage is consistent with the advert. It is for sale at Carsa Towcester in West Northamptonshire.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 September 2026, 34 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £204 from the first recorded £21,023. 4 price reductions recorded, the latest observed on 23 October 2026.

Recorded asking prices
Date observedAsking price
20 September 2026£21,023
21 September 2026£21,139
22 September 2026£21,138
23 September 2026£21,034
6 October 2026£21,373
16 October 2026£21,213
23 October 2026£20,819

Price and mileage comparison

Estimated market asking price: £23,314. The asking price is £2,495 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 6,724 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 16,300 miles lower than typical for a 2020 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 June 2027. 40,107 miles at the last test.

73 other cars with the same year, trim, gearbox and fuel are for sale from £13,900 to £29,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£13,90088,804 miles
£14,80094,893 miles
£14,950110,700 miles
£14,99587,000 miles
£15,00092,190 miles

These cars have covered 10,000–115,000 miles, compared with 42,102 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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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