2021 BMW 3 Series 3.0 M340i MHT

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
• Year: 2021
• Mileage: 51,000 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 176 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series is advertised with 51,000 miles, approximately 3,600 below the typical mileage for its age. The AskCar estimate for this car is £30,644. It is priced at £33,989, which is £3,345 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,814 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Emaari Automotive in Croydon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,345 (10%) over the AskCar estimate of £30,644.

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 6,814 priced BMW 3 Series adverts across different ages and specifications, as of 9 November 2026.

A 2021 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,400: the median of the 146 for sale on AskCar, as of 9 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised 1 day ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 442 of the 945 first advertised between 10 July 2026 and 6 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £33,989. 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 9 November 2026: valid until 9 September 2027.

It has had 3 MOTs. The latest, on 1 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,623 miles, which matches the advertised 51,000 miles.

Advertised mileage is about 3,600 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.