2021 BMW 3 Series 3.0 330d MHT Sport PRO

Overview

• Make: BMW
• Model: 3 Series
• Trim: Sport PRO
• Version: 3.0 330d MHT Sport Pro Auto Euro 6 5dr (281 bhp)
• Year: 2021
• Mileage: 78,070 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic
• Colour: Black
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 78,070 miles on the clock, this 2021 BMW 3 Series Sport Pro has done roughly 23,200 more miles than a typical 2021 BMW 3 Series. The AskCar estimate for this car is £18,523. It is priced at £18,495, which is £28 below 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. Since we first spotted the advert 111 days ago, the asking price has dropped by £2,900. The government's MOT record matches its advertised mileage. You can find this car at S & R Motors in Swindon. 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: £28 (under 1%) under the AskCar estimate of £18,523.

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.

A 2021 BMW 3 Series with the 3.0 diesel engine is typically advertised at £28,500: the median of the 144 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 111 days.

Price history

AskCar first saw this advert on 17 July 2026 at £21,395. Its asking price is now £18,495, £2,900 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 17 July 2026: £21,395
• 30 August 2026: £20,995
• 2 September 2026: £20,850
• 24 September 2026: £19,995
• 7 October 2026: £19,495
• 21 October 2026: £18,995
• 28 October 2026: £18,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 23 June 2027.

It has had 5 MOTs. The latest, on 19 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 77,766 miles, which matches the advertised 78,070 miles.

Advertised mileage is about 23,200 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.