2021 BMW 3 Series 2.0 318d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 318d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2021
• Mileage: 131,041 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 131,041 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 76,200 more miles than a typical 2021 BMW 3 Series. The dealer is asking £12,700, which is £1,139 above the AskCar estimate of £11,561. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 27 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Parkside Motors in Edgware. 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

Above the going rate: £1,139 (9%) over the AskCar estimate of £11,561.

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 27 days.

Price history

AskCar first saw this advert on 9 October 2026 at £13,700. Its asking price is now £12,700, £1,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 9 October 2026: £13,700
• 10 October 2026: £13,795
• 19 October 2026: £13,735
• 25 October 2026: £13,650
• 26 October 2026: £13,500
• 5 November 2026: £12,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 July 2027.

It has had 5 MOTs. The latest, on 21 July 2026, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 127,143 miles, which matches the advertised 131,041 miles.

Advertised mileage is about 76,200 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

59 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £15,395 to £25,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 114,037 miles. Price: £15,990, £3,290 more than this car. Dealer: Fermanagh Auto Sales in Enniskillen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-97e8f6f100b8
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 102,000 miles. Price: £16,795, £4,095 more than this car. Dealer: Car Mart in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-82f2a829ac18
• 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 101,229 miles. Price: £16,495, £3,795 more than this car. Dealer: Car Bazaar in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-78d49da53858

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black, 6 miles from this car. Mileage: 42,850 miles. Price: £25,449, £12,749 more than this car. Dealer: Paragon Cars London in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2b043aa67e19