2023 BMW 3 Series 3.0 M340d MHT

Price: £33,799. Good value: £10,420 (23%) under the AskCar estimate of £44,219, 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 M340d MHT Touring Auto 4WD Euro 6 (s/s) 5dr (335 bhp)
  • Year: 2023
  • Mileage: 28,000 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

This 2023 BMW 3 Series has covered 28,000 miles, around 6,700 fewer miles than is typical for its age. The dealer is asking £33,799, which is £10,420 below the AskCar estimate of £44,219. 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 recorded this advert 158 days ago, and its asking price has since fallen by £1,190. It is for sale at J.L.A.N Motor Group in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £10,420 (23%) under the AskCar estimate of £44,219.

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 diesel 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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £34,989. Its asking price is now £33,799, £1,190 less. The latest price cut was seen on 28 July 2026.

Price changes recorded:

  • 28 May 2026: £34,989
  • 28 July 2026: £33,799

Mileage and MOT

Advertised mileage is about 6,700 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

15 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.