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 Euro 6 5dr (281 bhp)
• Year: 2021
• Mileage: 69,074 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic
• Colour: Black
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 69,074 miles, this 2021 BMW 3 Series M Sport has covered about 13,900 more miles than other 2021 BMW 3 Series cars. The dealer is asking £24,942, which is £2,213 above the AskCar estimate of £22,729. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 2 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Ocean Plymouth, based in Plymouth. 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

Above the going rate: £2,213 (9%) over the AskCar estimate of £22,729.

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

AskCar first saw this 2021 BMW 3 Series advertised 2 days ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 433 of the 918 first advertised between 10 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £24,942. 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 6 November 2026: valid until 19 December 2026.

It has had 3 MOTs. The latest, on 20 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 62,512 miles, which matches the advertised 69,074 miles.

Advertised mileage is about 13,900 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 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, blue. Mileage: 70,960 miles. Price: £19,990, £4,952 less than this car. Dealer: The Donalds Group Donalds Kia Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-cc4e2f5c69d6
• 2021 BMW 3 Series M Sport, 3.0 diesel estate, blue. Mileage: 77,251 miles. Price: £18,700, £6,242 less than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3188b47585c6
• 2021 BMW 3 Series M Sport, 3.0 diesel estate, black. Mileage: 56,000 miles. Price: £22,950, £1,992 less than this car. Dealer: Charles Hurst Usedirect Portadown in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1807564595f5