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) 4dr (288 bhp)
• Year: 2021
• Mileage: 54,597 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 288 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 31 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 54,597 miles on the clock. The AskCar estimate for this car is £19,208. It is priced at £17,229, which is £1,979 below that estimate. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Carsa Bolton, based in Bolton. 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

Good value: £1,979 (10%) under the AskCar estimate of £19,208.

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

AskCar first saw this 2021 BMW 3 Series advertised today. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 418 of the 887 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £17,229. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 26 January 2027.

It failed its MOT on 16 January 2026 (nearside front outer tyre has a cut in excess of the requirements deep enough to reach the ply or cords sidewall) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 53,428 miles, which matches the advertised 54,597 miles.

Advertised mileage is about 600 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

84 other 2021 BMW 3 Series M Sport 2.0 plug-in hybrid automatic saloons are for sale at UK dealers, from £10,499 to £24,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 55,275 miles. Price: £19,990, £2,761 more than this car. Dealer: Rivendell Cars in Hexham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-432e76f028c0
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, black. Mileage: 53,899 miles. Price: £19,500, £2,271 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5ea03c1dcbf0
• 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, black. Mileage: 53,525 miles. Price: £19,795, £2,566 more than this car. Dealer: Cambrian Cars & Commericals in Newtown. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f13e46637067

• The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue, under a mile from this car. Mileage: 35,187 miles. Price: £19,599, £2,370 more than this car. Dealer: Motor Match Bolton in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-03a310916545