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 4WD Euro 6 4dr (187 bhp)
• Year: 2021
• Mileage: 46,495 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 46,495 miles, around 8,300 fewer miles than is typical for its age. The AskCar estimate for this car is £23,935. It is priced at £25,995, which is £2,060 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 34 days ago. Its advertised mileage matches the government's MOT record. You can find this car at IH Performance in Sandy. 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

Above the going rate: £2,060 (8%) over the AskCar estimate of £23,935.

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 34 days.

Price history

AskCar first saw this advert on 2 October 2026 at £25,995. 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 1 April 2027.

It has had 5 MOTs. The latest, on 28 March 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 39,634 miles, which matches the advertised 46,495 miles.

Advertised mileage is about 8,300 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

59 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £12,700 to £25,449, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 47,200 miles. Price: £19,990, £6,005 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-eb2e5543ed6a
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 47,469 miles. Price: £22,495, £3,500 less than this car. Dealer: Kaz Executive Travel in Basildon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8eb97b842df9
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 45,447 miles. Price: £21,990, £4,005 less than this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8d014b8edadb

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 20 miles from this car. Mileage: 56,000 miles. Price: £20,000, £5,995 less than this car. Dealer: Praters in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-42a6035914dc