2020 BMW 3 Series 2.0 330i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 330i M Sport Auto RWD Euro 6 4dr (254 bhp)
• Year: 2020
• Mileage: 48,896 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 48,896 miles, approximately 10,700 below the typical mileage for its age. The dealer is asking £20,070, which is £1,204 below the AskCar estimate of £21,274. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first recorded this advert 99 days ago, and its asking price has since fallen by £1,430. Its advertised mileage matches the government's MOT record. The seller is Big Motoring World Blue Bell Hill, based in Chatham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,204 (5%) under the AskCar estimate of £21,274.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW 3 Series with the 2.0 petrol engine is typically advertised at £18,500: the median of the 461 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 99 days.

Price history

AskCar first saw this advert on 29 July 2026 at £21,500. Its asking price is now £20,070, £1,430 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 29 July 2026: £21,500
• 30 July 2026: £22,570
• 3 August 2026: £22,560
• 8 August 2026: £22,370
• 11 August 2026: £22,330
• 18 August 2026: £22,130
• 21 August 2026: £21,860
• 26 August 2026: £21,790
• 1 September 2026: £21,580
• 8 September 2026: £21,080
• 12 September 2026: £20,930
• 16 September 2026: £20,910
• 20 September 2026: £20,850
• 24 September 2026: £20,920
• 29 September 2026: £20,730
• 30 September 2026: £20,760
• 1 October 2026: £20,750
• 6 October 2026: £20,710
• 7 October 2026: £20,700
• 8 October 2026: £20,690
• 14 October 2026: £20,400
• 16 October 2026: £20,380
• 17 October 2026: £20,420
• 27 October 2026: £20,150
• 31 October 2026: £20,130
• 4 November 2026: £20,070

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 5 January 2027.

It has had 5 MOTs. The latest, on 6 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 41,702 miles, which matches the advertised 48,896 miles.

Advertised mileage is about 10,700 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

98 other 2020 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £12,999 to £25,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 47,991 miles. Price: £20,170, £100 more than this car. Dealer: Big Motoring World Wimbledon in Wimbledon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-34419b904ecc
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 47,955 miles. Price: £19,950, £120 less than this car. Dealer: Lloyd Carlisle BMW in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-8b1b063350e3
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 50,003 miles. Price: £18,690, £1,380 less than this car. Dealer: Avanti Motors in Darlington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-615510790cbe

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black, 4 miles from this car. Mileage: 32,278 miles. Price: £20,990, £920 more than this car. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-539a8aa91bdf