2023 BMW 3 Series 3.0 M340i MHT

Price: £39,990. Fair price: £3,139 (7%) under the AskCar estimate of £43,129, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,862 priced BMW 3 Series adverts on AskCar as of 4 November 2026.

AskCar lists 7,147 used BMW 3 Series from 2,707 UK dealerships, as of 4 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: 16,023 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

This 2023 BMW 3 Series is advertised with 16,023 miles, approximately 18,200 below the typical mileage for its age. Its asking price of £39,990 is £3,139 below the AskCar estimate of £43,129. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 8 days ago. The seller is Stratstone Bmw Hull, based in Hull. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £3,139 (7%) under the AskCar estimate of £43,129.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW 3 Series with the 3.0 petrol engine is typically advertised at £40,000: the median of the 69 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 27 October 2026 at £39,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 18,200 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 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.