2023 BMW 3 Series

3.0 M340d MHT Auto 4WD Euro 6 (s/s) 4dr (335 bhp)

£39,450

Fair price: within 8% of the typical £40,293 for this model, age and mileage, drawing on 6,886 adverts of this make and model.

Overview

Make
BMW
Model
3 Series
Version
3.0 M340d MHT Auto 4WD Euro 6 (s/s) 4dr (335 bhp)
Mileage
21,259 miles
Year
2023
Fuel type
Diesel Hybrid
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
335 bhp
Seats
5
CO2
159 g/km
Colour
Grey
Doors
4
Driven wheels
Four Wheel Drive
Engine badge
M340d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

With 21,259 miles on the clock, this 2023 BMW 3 Series has done roughly 12,800 fewer miles than a typical 2023 BMW 3 Series. The dealer is asking £39,450, which is £843 below our market estimate of £40,293. Our estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 93 days ago, and its asking price has since fallen by £1,500. It may give you a starting point for a conversation about price. The seller is Lloyd Cockermouth BMW, based in Cockermouth.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 July 2026, 93 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,500 from the first recorded £40,950. 3 price reductions recorded, the latest observed on 9 October 2026.

Recorded asking prices
Date observedAsking price
22 July 2026£40,950
19 August 2026£41,950
16 September 2026£40,950
23 September 2026£39,950
9 October 2026£39,450
22 October 2026£39,450

Price and mileage comparison

Estimated market asking price: £40,293. The asking price is £843 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 6,886 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 12,800 miles lower than typical for a 2023 BMW 3 Series.

37 other cars with the same year, trim, gearbox and fuel are for sale from £25,400 to £46,999.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£25,40047,589 miles
£27,99539,750 miles
£31,99855,219 miles
£33,79928,000 miles
£34,89937,951 miles

These cars have covered 14,902–90,000 miles, compared with 21,259 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW 3 Series cars for sale · 2023 BMW 3 Series price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos