2020 BMW 3 Series 2.0 320d M Sport

Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)

Price: £22,695. Fair price: £178 (under 1%) over the AskCar estimate of £22,517, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,718 priced BMW 3 Series adverts on AskCar as of 31 October 2026.

AskCar lists 6,973 used BMW 3 Series from 2,626 UK dealerships, as of 31 October 2026.

Overview

Make
BMW
Model
3 Series
Trim
M Sport
Version
2.0 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
Mileage
46,000 miles
Year
2020
Fuel type
Diesel
Body type
Estate
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
118 g/km
Colour
Blue
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
320d
Emissions standard
Euro 6

About this car

With 46,000 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 13,200 fewer miles than a typical 2020 BMW 3 Series. The dealer is asking £22,695, which is £178 above the AskCar estimate of £22,517. To work out the AskCar estimate, we analyse UK dealer adverts for 6,718 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale today. The latest MOT record shows an expiry date of 22 September 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Matt Johnson Prestige in Barrow-in-Furness.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 31 October 2026.

Recorded asking prices
Date observedAsking price
31 October 2026£22,695

Price and mileage comparison

Fair price: £178 (under 1%) over the AskCar estimate of £22,517.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,718 priced BMW 3 Series adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 13,200 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 22 September 2027. 46,005 miles at the last test.

Other matching cars

108 other 2020 BMW 3 Series M Sport automatic diesel cars are for sale at UK dealers from £9,990 to £29,895, as of 31 October 2026.

The 5 cheapest:

The 108 matching cars have covered 10,000 to 167,159 miles, compared with 46,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide

More like this

Photos

45 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.