2023 BMW 3 Series 3.0 M340i MHT

Price: £39,495. Fair price: £1,498 (3%) under the AskCar estimate of £40,993, 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 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
  • Year: 2023
  • Mileage: 24,598 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

With 24,598 miles on the clock, this 2023 BMW 3 Series has done roughly 10,000 fewer miles than a typical 2023 BMW 3 Series. Priced at £39,495, it is advertised £1,498 below the AskCar estimate of £40,993. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale today. The seller is Group 1 Farnborough BMW, based in Farnborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,498 (3%) under the AskCar estimate of £40,993.

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 petrol engine is typically advertised at £39,600: the median of the 68 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2023 BMW 3 Series advertised today. About 4 in 10 of 2023 BMW 3 Series cars are gone from sale within a month of being advertised: 294 of the 660 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £39,495. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 10,000 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

1 photo of this car is 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.