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: 33,800 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

With 33,800 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 21,400 fewer miles than a typical 2021 BMW 3 Series. The AskCar estimate for this car is £22,076. It is priced at £21,495, which is £581 below that estimate. The AskCar estimate draws on 6,862 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 57 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vertu BMW Exeter, based in Exeter. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £581 (2%) under the AskCar estimate of £22,076.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 57 days.

Price history

AskCar first saw this advert on 8 September 2026 at £23,495. Its asking price is now £21,495, £2,000 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 8 September 2026: £23,495
• 9 September 2026: £23,330
• 14 October 2026: £22,340
• 17 October 2026: £22,325
• 20 October 2026: £22,452
• 23 October 2026: £21,995
• 30 October 2026: £21,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 May 2027.

It has had 3 MOTs. The latest, on 11 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,228 miles, which matches the advertised 33,800 miles.

Advertised mileage is about 21,400 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 34,100 miles. Price: £22,450, £955 more than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-507da5e20e47
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 33,352 miles. Price: £23,995, £2,500 more than this car. Dealer: Dick Lovett BMW Hungerford in Hungerford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-571d0052193d
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 34,278 miles. Price: £21,199, £296 less than this car. Dealer: Motorpoint Oldbury in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fee4b6de3163

• The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, under a mile from this car. Mileage: 60,400 miles. Price: £20,153, £1,342 less than this car. Dealer: Vertu BMW Exeter in Exeter. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7b304c6096c5