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: 47,163 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,163 miles on the clock, this 2021 BMW 3 Series has done roughly 8,000 fewer miles than a typical 2021 BMW 3 Series. The AskCar estimate for this car is £32,155. It is priced at £31,491, which is £664 below that estimate. The AskCar estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 17 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at David James in Newcastle Upon Tyne. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £664 (2%) under the AskCar estimate of £32,155.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

A 2021 BMW 3 Series with the 3.0 diesel engine is typically advertised at £28,300: the median of the 148 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 21 October 2026 at £31,491. 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 7 November 2026: valid until 1 September 2027.

It has had 3 MOTs. The latest, on 2 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 46,372 miles, which matches the advertised 47,163 miles.

Advertised mileage is about 8,000 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.