2020 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: 2020
• Mileage: 45,971 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 176 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series is advertised with 45,971 miles, approximately 13,000 below the typical mileage for its age. The dealer is asking £28,189, which is £1,680 below the AskCar estimate of £29,869. To work out the AskCar estimate, we analyse UK dealer adverts for 6,814 BMW 3 Series cars across different ages and specifications. We first recorded this advert 62 days ago, and its asking price has since fallen by £2,706. Its advertised mileage matches the government's MOT record. The seller is TrustFord Glasgow, based in Glasgow. 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

Fair price: £1,680 (5%) under the AskCar estimate of £29,869.

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 2020 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,000: the median of the 63 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 62 days.

Price history

AskCar first saw this advert on 8 September 2026 at £30,895. Its asking price is now £28,189, £2,706 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 8 September 2026: £30,895
• 12 September 2026: £30,495
• 19 September 2026: £30,355
• 23 September 2026: £30,189
• 25 September 2026: £29,800
• 14 October 2026: £29,494
• 16 October 2026: £29,264
• 24 October 2026: £29,129
• 31 October 2026: £29,013
• 5 November 2026: £28,307
• 7 November 2026: £28,189

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 21 January 2027.

It has had 3 MOTs. The latest, on 20 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,745 miles, which matches the advertised 45,971 miles.

Advertised mileage is about 13,000 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.