2021 BMW 3 Series 3.0 M340i MHT

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340i MHT Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)
• Year: 2021
• Mileage: 37,000 miles
• Fuel: Petrol, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 182 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 37,000 miles, this 2021 BMW 3 Series has covered about 18,200 fewer miles than other 2021 BMW 3 Series cars. This car is priced at £25,490, £10,819 below the AskCar estimate of £36,309. Such a large price gap is worth checking with the dealer. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 160 days ago, the asking price has dropped by £7,500. You can find this car at Kingstanding Car Sales in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Far below the going rate: £10,819 (29%) under the AskCar estimate of £36,309. Worth asking the dealer why.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,500: the median of the 142 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £32,990. Its asking price is now £25,490, £7,500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 28 May 2026: £32,990
• 8 June 2026: £31,990
• 2 July 2026: £31,490
• 10 July 2026: £30,990
• 14 July 2026: £32,990
• 17 July 2026: £30,990
• 5 August 2026: £29,990
• 21 August 2026: £28,990
• 2 September 2026: £28,490
• 4 September 2026: £27,990
• 24 September 2026: £27,490
• 27 September 2026: £26,990
• 5 October 2026: £27,990
• 8 October 2026: £26,990
• 13 October 2026: £26,750
• 22 October 2026: £25,990
• 3 November 2026: £25,490

Mileage and MOT

Advertised mileage is about 18,200 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.