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: 37,100 miles
• Fuel: Petrol, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 182 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series has covered 37,100 miles, around 17,600 fewer miles than is typical for its age. Priced at £37,999, it is advertised £1,681 above the AskCar estimate of £36,318. 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 13 days ago, the asking price has dropped by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stratstone Derby BMW, based in Derby. 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: £1,681 (4%) over the AskCar estimate of £36,318.

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 petrol 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 13 days.

Price history

AskCar first saw this advert on 28 October 2026 at £38,499. Its asking price is now £37,999, £500 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 28 October 2026: £38,499
• 6 November 2026: £37,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 14 September 2027.

It has had 3 MOTs. The latest, on 25 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,619 miles, which matches the advertised 37,100 miles.

Advertised mileage is about 17,600 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.