2020 BMW 3 Series

2.0 320d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)

£21,650

Fair price: within 8% of the typical £22,403 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
2.0 320d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
Mileage
42,701 miles
Year
2020
Fuel type
Diesel Hybrid
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
129 g/km
Colour
Grey
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
320d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2020 BMW 3 Series M Sport is advertised with 42,701 miles, approximately 15,700 below the typical mileage for its age. Our estimated market asking price is £22,403. This car is advertised at £21,650, which is £753 below that figure. Our estimate draws on 6,724 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 34 days ago, the asking price has dropped by £600. Its recorded MOT is valid until 25 January 2027, and its advertised mileage is consistent with the latest MOT reading. It is for sale at Car Planet Watford in Rickmansworth.

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: £600 from the first recorded £22,250. 2 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
20 September 2026£22,250
14 October 2026£21,950
16 October 2026£21,650
23 October 2026£21,650

Price and mileage comparison

Estimated market asking price: £22,403. The asking price is £753 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 15,700 miles lower than typical for a 2020 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 25 January 2027. 38,378 miles at the last test.

33 other cars with the same year, trim, gearbox and fuel are for sale from £15,994 to £24,125.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£15,994103,276 miles
£15,99582,000 miles
£16,45070,000 miles
£16,49592,000 miles
£16,50065,000 miles

These cars have covered 35,828–108,000 miles, compared with 42,701 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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