2021 BMW 3 Series 2.0 330e M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 12kWh 330e M Sport Auto RWD Euro 6 (s/s) 5dr Touring (288 bhp)
• Year: 2021
• Mileage: 102,000 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 288 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 32 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 102,000 miles, approximately 47,000 above the typical mileage for its age. The AskCar estimate for this car is £14,270. It is priced at £14,295, which is £25 above that estimate. The AskCar estimate uses 6,742 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 27 days ago. Its asking price has since fallen by £200. We checked its advertised mileage against the government's MOT record, and they match. The seller is Car Mart, based in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £25 (under 1%) over the AskCar estimate of £14,270.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 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 6 October 2026 at £14,495. Its asking price is now £14,295, £200 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 6 October 2026: £14,495
• 22 October 2026: £14,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 July 2027.

It failed its MOT on 2 July 2026 (offside rear tyre tread depth below requirements of 1.6mm; nearside rear tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 3 July 2026.

There were no advisories at the latest test.

Mileage at that test: 100,889 miles, which matches the advertised 102,000 miles.

Advertised mileage is about 47,000 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

61 other 2021 BMW 3 Series M Sport 2.0 plug-in hybrid automatic estates are for sale at UK dealers, from £11,500 to £25,490, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid estate, white. Mileage: 102,213 miles. Price: £11,500, £2,795 less than this car. Dealer: 1Stop Car Sales in Spalding. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3fc17e07f00b
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid estate, white. Mileage: 99,987 miles. Price: £14,595, £300 more than this car. Dealer: Somerset Motor Company in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-07d9f45d275b
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid estate, white. Mileage: 97,442 miles. Price: £13,990, £305 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-195585cd6eaa