2021 BMW 3 Series 3.0 M340d MHT

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340d MHT Touring Auto 4WD Euro 6 (s/s) 5dr (335 bhp)
• Year: 2021
• Mileage: 32,882 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series has covered 32,882 miles, around 21,800 fewer miles than is typical for its age. The dealer is asking £36,500, which is £1,417 above the AskCar estimate of £35,083. To work out the AskCar estimate, we analyse UK dealer adverts for 6,864 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 125 days ago, the asking price has dropped by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandal BMW Wakefield, based in Wakefield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,417 (4%) over the AskCar estimate of £35,083.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

A 2021 BMW 3 Series with the 3.0 diesel engine is typically advertised at £28,400: the median of the 147 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 125 days.

Price history

AskCar first saw this advert on 8 July 2026 at £38,000. Its asking price is now £36,500, £1,500 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

• 9 July 2026: £38,000
• 15 July 2026: £37,850
• 27 August 2026: £38,500
• 2 September 2026: £38,150
• 10 September 2026: £37,950
• 17 September 2026: £37,500
• 24 September 2026: £36,750
• 30 September 2026: £36,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 29 June 2027.

It has had 4 MOTs. The latest, on 5 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,150 miles, which matches the advertised 32,882 miles.

Advertised mileage is about 21,800 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.