2023 BMW 3 Series 3.0 M340i MHT
Price: £43,000. Fair price: £1,761 (4%) over the AskCar estimate of £41,239, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,822 priced BMW 3 Series adverts on AskCar as of 8 November 2026.
AskCar lists 7,130 used BMW 3 Series from 2,708 UK dealerships, as of 8 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
- Year: 2023
- Mileage: 23,675 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: 182 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 BMW 3 Series has covered 23,675 miles, around 10,200 fewer miles than is typical for its age. The dealer is asking £43,000, which is £1,761 above the AskCar estimate of £41,239. To work out the AskCar estimate, we analyse UK dealer adverts for 6,822 BMW 3 Series cars across different ages and specifications. We first recorded this advert 67 days ago, and its asking price has since fallen by £1,950. The seller is Sytner High Wycombe BMW, based in High Wycombe. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £1,761 (4%) over the AskCar estimate of £41,239.
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 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.
A 2023 BMW 3 Series with the 3.0 petrol engine is typically advertised at £39,500: the median of the 69 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2023 BMW 3 Series has been on sale for at least 67 days.
Price history
AskCar first saw this advert on 2 September 2026 at £44,950. Its asking price is now £43,000, £1,950 less. The latest price cut was seen on 2 November 2026.
Price changes recorded:
- 2 September 2026: £44,950
- 6 October 2026: £44,500
- 12 October 2026: £44,000
- 2 November 2026: £43,000
Mileage and MOT
Advertised mileage is about 10,200 miles lower than the median mileage of a 2023 BMW 3 Series on AskCar.
Browse all BMW 3 Series cars for sale · 2023 BMW 3 Series price guide
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Photos
21 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.