2021 BMW 3 Series 2.0 318i M Sport
Price: £16,999. Fair price: £134 (under 1%) over the AskCar estimate of £16,865, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.
AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.
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: 67,736 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 154 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 146 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 67,736 miles, this 2021 BMW 3 Series M Sport has covered about 12,900 more miles than other 2021 BMW 3 Series cars. Its asking price of £16,999 is £134 above the AskCar estimate of £16,865. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 2 days ago. The government's MOT record matches its advertised mileage. You can find this car at cinch Corby in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £134 (under 1%) over the AskCar estimate of £16,865.
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
AskCar first saw this 2021 BMW 3 Series advertised 2 days ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 429 of the 907 first advertised between 10 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 3 November 2026 at £16,999. 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 5 November 2026: valid until 14 October 2027.
It has had 4 MOTs. The latest, on 15 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 67,730 miles, which matches the advertised 67,736 miles.
Advertised mileage is about 12,900 miles higher 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 £14,000 to £26,950, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 68,000 miles. Price: £17,500, £501 more than this car. Dealer: BWC Used Cars Telford in Telford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e674feeeccce
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 67,000 miles. Price: £19,500, £2,501 more than this car. Dealer: Mylson Stoke in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e8907af7781b
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 66,945 miles. Price: £19,799, £2,800 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-230d8c9a446e
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
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- Used BMW 3 Series for sale near Kettering
Photos
28 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.