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 [Pro Pack] Auto RWD Euro 6 5dr Step (281 bhp)
• Year: 2021
• Mileage: 51,535 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 51,535 miles, approximately 3,600 below the typical mileage for its age. The AskCar estimate for this car is £24,455. It is priced at £23,900, which is £555 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 9 days ago, and its asking price has since fallen by £1,300. Its advertised mileage matches the government's MOT record. The seller is Sytner Select Nottingham, based in Nottingham. 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

Fair price: £555 (2%) under the AskCar estimate of £24,455.

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 2021 BMW 3 Series with the 3.0 diesel engine is typically advertised at £28,500: the median of the 146 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 28 October 2026 at £25,200. Its asking price is now £23,900, £1,300 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 28 October 2026: £25,200
• 6 November 2026: £23,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 14 January 2027.

It has had 5 MOTs. The latest, on 15 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,726 miles, which matches the advertised 51,535 miles.

Advertised mileage is about 3,600 miles lower 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 estates are for sale at UK dealers, from £18,700 to £28,890, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 3.0 diesel estate, black. Mileage: 56,000 miles. Price: £22,950, £950 less than this car. Dealer: Charles Hurst Usedirect Portadown in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1807564595f5
• 2021 BMW 3 Series M Sport, 3.0 diesel estate, white. Mileage: 44,238 miles. Price: £25,799, £1,899 more than this car. Dealer: Williams Bolton Bmw in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5656f6fa2a65
• 2021 BMW 3 Series M Sport, 3.0 diesel estate, black. Mileage: 69,074 miles. Price: £24,942, £1,042 more than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-22df3f34c741

• The nearest: 2021 BMW 3 Series M Sport, 3.0 diesel estate, white, 12 miles from this car. Mileage: 27,127 miles. Price: £28,890, £4,990 more than this car. Dealer: Stratstone Derby BMW in Derby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-de5f2dfe675d