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: 26,054 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 26,054 miles, around 29,100 fewer miles than is typical for its age. Its asking price of £22,450 is £544 below the AskCar estimate of £22,994. The AskCar estimate uses UK dealer asking prices, including 6,886 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 59 days ago, and its asking price has since fallen by £500. The recorded MOT expired on 5 September 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. The seller is AJC Car Sales, based in Benton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £544 (2%) under the AskCar estimate of £22,994.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 59 days.

Price history

AskCar first saw this advert on 9 September 2026 at £22,950. Its asking price is now £22,450, £500 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

• 9 September 2026: £22,950
• 7 October 2026: £22,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 5 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 5 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 18,319 miles, which matches the advertised 26,054 miles.

Advertised mileage is about 29,100 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

142 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £13,750 to £25,975, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 25,072 miles. Price: £19,727, £2,723 less than this car. Dealer: Carsa Towcester in Towcester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-9c7c6c114f30
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 27,050 miles. Price: £21,633, £817 less than this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4a9e90755562
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 27,124 miles. Price: £21,956, £494 less than this car. Dealer: Bentley Motor Group in Keighley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8dabd30ca75e

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 29 miles from this car. Mileage: 110,887 miles. Price: £14,000, £8,450 less than this car. Dealer: Seaton Car Sales in Hartlepool. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4b8b9bf56042