2023 BMW 3 Series 3.0 M340i MHT LUX
Price: £28,990. Good value: £4,075 (12%) under the AskCar estimate of £33,065, 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
- Trim: LUX
- Version: 3.0 M340i MHT LUX Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
- Year: 2023
- Mileage: 24,000 miles
- Fuel: Petrol, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 369 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: White
- CO2: 182 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 24,000 miles on the clock, this 2023 BMW 3 Series Lux has done roughly 10,700 fewer miles than a typical 2023 BMW 3 Series. The dealer is asking £28,990, which is £4,075 below the AskCar estimate of £33,065. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 145 days ago. Its asking price has since fallen by £15,000. You can find this car at Lux Performance in Halifax. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £4,075 (12%) under the AskCar estimate of £33,065.
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 145 days.
Price history
AskCar first saw this advert on 10 June 2026 at £43,990. Its asking price is now £28,990, £15,000 less. The latest price cut was seen on 24 October 2026.
Price changes recorded:
- 12 August 2026: £43,990
- 18 August 2026: £34,990
- 27 August 2026: £34,440
- 28 August 2026: £37,990
- 8 September 2026: £33,990
- 15 September 2026: £32,350
- 24 September 2026: £29,890
- 10 October 2026: £29,440
- 24 October 2026: £28,990
Mileage and MOT
Advertised mileage is about 10,700 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
29 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.