2021 BMW 3 Series 3.0
Price: £36,990. Fair price: £200 (under 1%) over the AskCar estimate of £36,790, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.
AskCar lists 7,127 used BMW 3 Series from 2,713 UK dealerships, as of 10 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Version: 3.0 M340i Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
- Year: 2021
- Mileage: 31,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 369 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 187 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 31,000 miles, this 2021 BMW 3 Series has covered about 23,700 fewer miles than other 2021 BMW 3 Series cars. The dealer is asking £36,990, which is £200 above the AskCar estimate of £36,790. To work out the AskCar estimate, we analyse UK dealer adverts for 6,864 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 31 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Benz Bavarian in Derby. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Price
Fair price: £200 (under 1%) over the AskCar estimate of £36,790.
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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.
A 2021 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,400: the median of the 147 for sale on AskCar, as of 10 November 2026.
Time on sale
This 2021 BMW 3 Series has been on sale for at least 31 days.
Price history
AskCar first saw this advert on 10 October 2026 at £36,990. 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 10 November 2026: valid until 8 September 2027.
It has had 3 MOTs. The latest, on 28 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 31,344 miles, which matches the advertised 31,000 miles.
Advertised mileage is about 23,700 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
44 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.