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) 5dr Touring (148 bhp)
• Year: 2021
• Mileage: 102,000 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 102,000 miles. Priced at £13,750, it is advertised £116 above the AskCar estimate of £13,634. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 162 days ago, the asking price has dropped by £1,249. The advertised mileage is lower than the latest MOT reading of 102,752 miles. Ask the dealer to explain. The latest recorded MOT expires on 29 April 2027. You can find this car at Trust Motor Company in Ferndown. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £116 (under 1%) over the AskCar estimate of £13,634.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 28 May 2026 at £14,999. Its asking price is now £13,750, £1,249 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 28 May 2026: £14,999
• 31 May 2026: £14,750
• 7 June 2026: £14,999
• 17 June 2026: £14,499
• 3 July 2026: £14,999
• 23 July 2026: £14,750
• 9 August 2026: £14,499
• 20 September 2026: £13,999
• 3 October 2026: £14,950
• 9 October 2026: £14,499
• 18 October 2026: £13,999
• 1 November 2026: £13,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 29 April 2027.

It has had 3 MOTs. The latest, on 21 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 102,752 miles. The advert says 102,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 46,900 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

34 other 2021 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £14,495 to £29,950, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 97,000 miles. Price: £18,990, £5,240 more than this car. Dealer: Car Shop 365 in Bradford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-35109f68285a
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 94,000 miles. Price: £18,990, £5,240 more than this car. Dealer: Rosso Performance in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7514a3a6323c
• 2021 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 111,015 miles. Price: £15,940, £2,190 more than this car. Dealer: German Motor Store in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1ec326178adc

• The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel estate, black, 10 miles from this car. Mileage: 48,000 miles. Price: £20,995, £7,245 more than this car. Dealer: Newtons of Ashley in New Milton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-082a1fdba5e4