2020 BMW 3 Series 3.0 M340i Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: Sport
• Version: 3.0 M340i Sport Auto 4WD Euro 6 4dr (368 bhp)
• Year: 2020
• Mileage: 46,500 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 368 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 185 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 46,500 miles, this 2020 BMW 3 Series Sport has covered about 13,500 fewer miles than other 2020 BMW 3 Series cars. Priced at £31,995, it is advertised £973 above the AskCar estimate of £31,022. The AskCar estimate draws on 6,902 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 31 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Riviera Automotive in Cleckheaton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £973 (3%) over the AskCar estimate of £31,022.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 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 6 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 31 days.

Price history

AskCar first saw this advert on 6 October 2026 at £31,995. 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 6 November 2026: valid until 26 August 2027.

It has had 5 MOTs. The latest, on 27 August 2026, passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 45,005 miles, which matches the advertised 46,500 miles.

Advertised mileage is about 13,500 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

12 other 2020 BMW 3 Series Sport 3.0 petrol automatic saloons are for sale at UK dealers, from £26,495 to £37,950, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 44,200 miles. Price: £30,300, £1,695 less than this car. Dealer: Redgate Lodge in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-740c3344a0b2
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 43,853 miles. Price: £31,890, £105 less than this car. Dealer: Walkers Of Selby in Selby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3c61fb36c98d
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 53,000 miles. Price: £32,495, £500 more than this car. Dealer: Fitzroy Motor Co in Ringwood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b547d4a47a6b

• The nearest: 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey, 11 miles from this car. Mileage: 24,500 miles. Price: £34,995, £3,000 more than this car. Dealer: Cubitt Cars in Bingley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-bec1d8bbf66f