2021 BMW 3 Series 3.0 330d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 3.0 330d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (282 bhp)
• Year: 2021
• Mileage: 56,200 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 BMW 3 Series M Sport is 56,200 miles. Priced at £22,990, it is advertised £909 below the AskCar estimate of £23,899. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 8 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at S James Prestige in Stamford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £909 (3%) under the AskCar estimate of £23,899.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW 3 Series with the 3.0 diesel engine is typically advertised at £28,500: the median of the 142 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 27 October 2026 at £22,990. 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 4 November 2026: valid until 3 September 2027.

It has had 4 MOTs. The latest, on 26 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 54,518 miles, which matches the advertised 56,200 miles.

Advertised mileage is about 1,100 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

7 other 2021 BMW 3 Series M Sport 3.0 diesel automatic saloons are for sale at UK dealers, from £23,495 to £26,250, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 3.0 diesel saloon, grey. Mileage: 52,500 miles. Price: £25,995, £3,005 more than this car. Dealer: RSK Cars in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-bdda4ae05d1b
• 2021 BMW 3 Series M Sport, 3.0 diesel saloon, white. Mileage: 65,524 miles. Price: £23,995, £1,005 more than this car. Dealer: Hartlepool Motor Company in Hartlepool. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-b630305b899f
• 2021 BMW 3 Series M Sport, 3.0 diesel saloon, grey. Mileage: 44,320 miles. Price: £26,250, £3,260 more than this car. Dealer: Sycamore BMW in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c4b88d2d4c31