2023 BMW 3 Series 3.0 M340d MHT
Price: £36,449. Good value: £3,234 (8%) under the AskCar estimate of £39,683, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.
AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Version: 3.0 M340d MHT Touring Auto 4WD Euro 6 (s/s) 5dr (335 bhp)
- Year: 2023
- Mileage: 45,800 miles
- Fuel: Diesel, mild hybrid
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 335 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 164 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 45,800 miles, this 2023 BMW 3 Series has covered about 11,200 more miles than other 2023 BMW 3 Series cars. Its asking price of £36,449 is £3,234 below the AskCar estimate of £39,683. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 22 days. Its advertised mileage matches the government's MOT record. The seller is Vertu BMW Bridgwater, based in Bridgwater. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Good value: £3,234 (8%) under the AskCar estimate of £39,683.
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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.
A 2023 BMW 3 Series with the 3.0 diesel engine is typically advertised at £39,600: the median of the 68 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2023 BMW 3 Series has been on sale for at least 22 days.
Price history
AskCar first saw this advert on 14 October 2026 at £36,449. 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 5 November 2026: valid until 15 March 2027.
It has had one MOT, on 26 February 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 34,828 miles, which matches the advertised 45,800 miles.
Advertised mileage is about 11,200 miles higher 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
67 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.