2023 BMW 3 Series 3.0 M340i MHT
Price: £43,000. Fair price: £387 (under 1%) under the AskCar estimate of £43,387, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,742 priced BMW 3 Series adverts on AskCar as of 2 November 2026.
AskCar lists 7,040 used BMW 3 Series from 2,692 UK dealerships, as of 2 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: 14,158 miles
- Fuel: Petrol, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 369 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 182 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 14,158 miles on the clock, this 2023 BMW 3 Series has done roughly 20,500 fewer miles than a typical 2023 BMW 3 Series. The AskCar estimate for this car is £43,387. It is priced at £43,000, which is £387 below that estimate. The AskCar estimate draws on 6,742 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 95 days ago, the asking price has dropped by £1,000. The seller is John Clark BMW Aberdeen, based in Aberdeen. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £387 (under 1%) under the AskCar estimate of £43,387.
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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.
A 2023 BMW 3 Series with the 3.0 petrol engine is typically advertised at £39,500: the median of the 68 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2023 BMW 3 Series has been on sale for at least 95 days.
Price history
AskCar first saw this advert on 30 July 2026 at £44,000. Its asking price is now £43,000, £1,000 less. The latest price cut was seen on 14 October 2026.
Price changes recorded:
- 30 July 2026: £44,000
- 10 September 2026: £43,500
- 14 October 2026: £40,695
- 31 October 2026: £43,000
Mileage and MOT
Advertised mileage is about 20,500 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
32 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.