2020 BMW 3 Series 2.0 320d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d MHT M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
• Year: 2020
• Mileage: 63,231 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 63,231 miles, approximately 3,200 above the typical mileage for its age. The dealer is asking £18,700, which is £1,761 below the AskCar estimate of £20,461. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 70 days ago. Its asking price has since fallen by £2,700. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Car Planet Watford in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £1,761 (8%) under the AskCar estimate of £20,461.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 70 days.

Price history

AskCar first saw this advert on 28 August 2026 at £21,400. Its asking price is now £18,700, £2,700 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 28 August 2026: £21,400
• 17 September 2026: £21,100
• 23 September 2026: £20,800
• 28 September 2026: £20,500
• 5 October 2026: £20,200
• 11 October 2026: £19,900
• 17 October 2026: £19,600
• 23 October 2026: £19,300
• 30 October 2026: £19,000
• 5 November 2026: £18,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 28 May 2027.

It failed its MOT on 16 May 2026 (offside rear tyre has ply or cords exposed; nearside rear tyre(s) with different aspect ratios are fitted on the same axle) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 57,450 miles, which matches the advertised 63,231 miles.

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

Similar cars

37 other 2020 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £11,800 to £24,999, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 63,100 miles. Price: £11,800, £6,900 less than this car. Dealer: Taylors Pitstop in Horley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7e51865eee15
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 63,542 miles. Price: £20,999, £2,299 more than this car. Dealer: Haslucks Green Motor Company in Solihull. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7a1dc9858d96
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 62,208 miles. Price: £19,298, £598 more than this car. Dealer: CarSupermarket.com Hessle in Hessle. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ce1754fa741b

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, white, 12 miles from this car. Mileage: 37,219 miles. Price: £22,200, £3,500 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ccdc0a113c79