2021 BMW 3 Series 3.0 M340i MHT
Price: £31,995. Fair price: £459 (1%) under the AskCar estimate of £32,454, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,862 priced BMW 3 Series adverts on AskCar as of 4 November 2026.
AskCar lists 7,147 used BMW 3 Series from 2,707 UK dealerships, as of 4 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
- Year: 2021
- Mileage: 43,000 miles
- Fuel: Petrol, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 369 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 176 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW 3 Series has covered 43,000 miles, around 12,200 fewer miles than is typical for its age. Its asking price of £31,995 is £459 below the AskCar estimate of £32,454. The AskCar estimate draws on 6,862 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 25 days. Its advertised mileage matches the government's MOT record. It is advertised by CPS Performance Cars in Bromsgrove. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £459 (1%) under the AskCar estimate of £32,454.
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.
A 2021 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,500: the median of the 142 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2021 BMW 3 Series has been on sale for at least 25 days.
Price history
AskCar first saw this advert on 10 October 2026 at £31,995. 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 7 February 2027.
It has had 3 MOTs. The latest, on 27 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 38,224 miles, which matches the advertised 43,000 miles.
Advertised mileage is about 12,200 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
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Photos
32 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.