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: 65,897 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 65,897 miles, around 11,100 more miles than is typical for its age. The AskCar estimate for this car is £18,035. It is priced at £17,475, which is £560 below that estimate. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 42 days ago. Its asking price has since fallen by £500. Our latest MOT record expired on 1 September 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is PCBS Sales, based in Tonbridge. 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: £560 (3%) under the AskCar estimate of £18,035.

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 42 days.

Price history

AskCar first saw this advert on 24 September 2026 at £17,975. Its asking price is now £17,475, £500 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 24 September 2026: £17,975
• 10 October 2026: £17,475

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 1 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 2 September 2025, passed.

Advisories at the latest test: nearside front shock absorbers has light misting of oil.

Mileage at that test: 46,175 miles, which matches the advertised 65,897 miles.

Advertised mileage is about 11,100 miles higher 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, white. Mileage: 66,051 miles. Price: £16,849, £626 less than this car. Dealer: Cars Yard in Harrow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dd04b0763802
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 65,119 miles. Price: £16,995, £480 less than this car. Dealer: Bridgend Ford in Bridgend. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a0165691f276
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 66,945 miles. Price: £19,799, £2,324 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-230d8c9a446e

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, 10 miles from this car. Mileage: 49,247 miles. Price: £19,950, £2,475 more than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0c6d3304d099