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: 66,500 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

At 66,500 miles, this 2021 BMW 3 Series M Sport has covered about 11,700 more miles than other 2021 BMW 3 Series cars. The AskCar estimate for this car is £20,751. It is priced at £20,000, which is £751 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 24 days ago. Its advertised mileage matches the government's MOT record. The seller is M.m.r Motor Group, based in Newcastle Upon Tyne. 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: £751 (3%) under the AskCar estimate of £20,751.

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 24 days.

Price history

AskCar first saw this advert on 12 October 2026 at £20,000. Its asking price has not changed.

Price changes recorded:

• 12 October 2026: £20,000
• 13 October 2026: £20,500
• 5 November 2026: £20,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 3 March 2027.

It failed its MOT on 19 February 2026 (nearside headlamp aim too high and too far to the right) and passed later the same day.

Advisories at the latest test: items removed from driver's view prior to test; offside rear brake pad(s) wearing thin 2.0mm.

Mileage at that test: 59,315 miles, which matches the advertised 66,500 miles.

Advertised mileage is about 11,700 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, £1,410 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: 69,000 miles. Price: £19,995, the same price as this car. Dealer: Motorhouse (Beds) in Bedford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1a90fcd734d1
• 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, grey, 75 miles from this car. Mileage: 27,430 miles. Price: £29,950, £9,950 more than this car. Dealer: Stratstone Bmw Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8800a472eb03