2021 BMW 3 Series 2.0 318i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 318i M Sport Auto RWD Euro 6 (s/s) 4dr (154 bhp)
• Year: 2021
• Mileage: 23,100 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 154 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 23,100 miles, around 31,500 fewer miles than is typical for its age. Its asking price of £21,495 is £410 below the AskCar estimate of £21,905. To work out the AskCar estimate, we analyse UK dealer adverts for 6,814 BMW 3 Series cars across different ages and specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. It is for sale at Next Drive Motorz in Oldham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £410 (1%) under the AskCar estimate of £21,905.

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 6,814 priced BMW 3 Series adverts across different ages and specifications, as of 9 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: 442 of the 945 first advertised between 10 July 2026 and 6 October 2026.

Price history

AskCar first saw this advert on 9 November 2026 at £21,495. 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 9 November 2026: valid until 25 July 2027.

It has had 3 MOTs. The latest, on 26 July 2026, passed.

Advisories at the latest test: rear brake disc worn, pitted or scored, but not seriously weakened both sides.

Mileage at that test: 21,637 miles, which matches the advertised 23,100 miles.

Advertised mileage is about 31,500 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 £13,750 to £25,975, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 22,891 miles. Price: £23,352, £1,857 more than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-72595b264e0a
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 23,585 miles. Price: £23,999, £2,504 more than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d2bca26309e7
• 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 22,600 miles. Price: £25,490, £3,995 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ceeafb001830