2023 BMW 3 Series 3.0 M340i MHT

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
• Year: 2023
• Mileage: 36,451 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 36,451 miles on the clock. Priced at £38,999, it is advertised £472 above the AskCar estimate of £38,527. The AskCar estimate uses 6,902 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 50 days ago, the asking price has dropped by £951. Its advertised mileage matches the government's MOT record. The seller is MINI UK at Cotswold Hereford, based in Hereford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £472 (1%) over the AskCar estimate of £38,527.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW 3 Series with the 3.0 petrol engine is typically advertised at £39,300: the median of the 70 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 50 days.

Price history

AskCar first saw this advert on 17 September 2026 at £39,950. Its asking price is now £38,999, £951 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 17 September 2026: £39,950
• 1 October 2026: £39,949
• 16 October 2026: £39,499
• 30 October 2026: £38,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 20 June 2027.

It has had one MOT, on 26 May 2026, and passed.

Advisories at the latest test: offside front outer tyre has a cut but not deep enough to reach the ply or cords wall; nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 33,494 miles, which matches the advertised 36,451 miles.

Advertised mileage is about 1,800 miles higher than the median mileage of a 2023 BMW 3 Series on AskCar.