2021 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: 2021
• Mileage: 69,000 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 69,000 miles, approximately 14,200 above the typical mileage for its age. The dealer is asking £19,995, which is £360 below the AskCar estimate of £20,355. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 54 days ago. The government's MOT record matches its advertised mileage. It is for sale at Motorhouse (Beds) in Bedford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £360 (1%) under the AskCar estimate of £20,355.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 12 September 2026 at £19,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 10 June 2027.

It failed its MOT on 10 June 2026 (windscreen washer provides insufficient washer liquid; engine MIL inoperative or indicates a malfunction; nearside front lower suspension arm ball joint excessively worn rear) and passed 1 day later, on 11 June 2026.

There were no advisories at the latest test.

Mileage at that test: 69,030 miles, which matches the advertised 69,000 miles.

Advertised mileage is about 14,200 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

33 other 2021 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £13,750 to £29,950, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 67,301 miles. Price: £18,590, £1,405 less than this car. Dealer: Norwich Cars And Vans in Norwich. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a800eb80d06b
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 66,500 miles. Price: £20,000, the same price as this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-44db18ff4b67
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 73,593 miles. Price: £20,000, the same price as this car. Dealer: Cotswold Group Select in Tewkesbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4553fa66cea9

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, white, 33 miles from this car. Mileage: 87,499 miles. Price: £17,489, £2,506 less than this car. Dealer: The Hertford Car Company in Hertford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d93819a03e68