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: 67,500 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 176 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 67,500 miles on the clock, this 2021 BMW 3 Series has done roughly 12,400 more miles than a typical 2021 BMW 3 Series. Its asking price of £27,218 is £119 below the AskCar estimate of £27,337. 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 10 days. Its advertised mileage matches the government's MOT record. The seller is Carbase Bristol, based in Bristol. 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: £119 (under 1%) under the AskCar estimate of £27,337.

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 petrol 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 10 days.

Price history

AskCar first saw this advert on 28 October 2026 at £27,218. Its asking price has not changed.

Price changes recorded:

• 28 October 2026: £27,218
• 29 October 2026: £26,810
• 30 October 2026: £26,408
• 31 October 2026: £27,218
• 5 November 2026: £27,082
• 6 November 2026: £27,218

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 24 July 2027.

It failed its MOT on 29 June 2026 (nearside windscreen wiper does not clear the windscreen effectively; offside windscreen wiper does not clear the windscreen effectively) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 62,862 miles, which matches the advertised 67,500 miles.

Advertised mileage is about 12,400 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.