2021 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2021
• Mileage: 37,775 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 37,775 miles, this 2021 BMW 3 Series M Sport has covered about 17,100 fewer miles than other 2021 BMW 3 Series cars. Priced at £19,499, it is advertised £2,048 below the AskCar estimate of £21,547. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 113 days ago. Its asking price has since fallen by £1,800. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is H.P.L. Motors - Oldham (Greater Manchester), based in Oldham. 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

Good value: £2,048 (9%) under the AskCar estimate of £21,547.

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.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 113 days.

Price history

AskCar first saw this advert on 15 July 2026 at £21,299. Its asking price is now £19,499, £1,800 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 15 July 2026: £21,299
• 2 September 2026: £20,999
• 7 October 2026: £19,999
• 28 October 2026: £19,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 30 May 2027.

It has had 4 MOTs. The latest, on 20 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 34,353 miles, which matches the advertised 37,775 miles.

Advertised mileage is about 17,100 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

146 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £14,000 to £26,950, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 37,603 miles. Price: £20,249, £750 more than this car. Dealer: Motorpoint Burnley in Burnley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-227537a33055
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, orange. Mileage: 37,499 miles. Price: £21,444, £1,945 more than this car. Dealer: Dick Lovett Porsche Centre Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3f68d7d6d114
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 38,128 miles. Price: £21,299, £1,800 more than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-05fe836b37fa

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, under a mile from this car. Mileage: 62,859 miles. Price: £18,399, £1,100 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-256341625360