2023 BMW 3 Series

3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)

£39,499

Fair price: within 8% of the typical £37,873 for this model, age and mileage, drawing on 6,764 adverts of this make and model.

Overview

Make: BMW
Model: 3 Series
Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
Mileage: 36,451 miles
Year: 2023
Fuel type: Petrol Hybrid
Body type: Saloon
Engine: 3.0 L
Gearbox: Automatic
Power: 369 bhp
Seats: 5
CO2: 182 g/km
Colour: Grey
Doors: 4
Driven wheels: Four Wheel Drive
Engine badge: M340i; MHT
Hybrid type: Mild hybrid
Emissions standard: Euro 6

About this car

This 2023 BMW 3 Series has covered 36,451 miles, around 2,900 more than typical for its age. At £39,499, it is advertised £1,626 above our estimated market asking price of £37,873. The estimate uses 6,764 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 33 days ago, the asking price has dropped by £451. Its recorded MOT is valid until 20 June 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is MINI UK at Cotswold Hereford, based in Hereford.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 September 2026, 33 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £451 from the first recorded £39,950. 2 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observed	Asking price
17 September 2026	£39,950
1 October 2026	£39,949
16 October 2026	£39,499
19 October 2026	£39,499

Price and mileage comparison

Estimated market asking price: £37,873. The asking price is £1,626 above 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 6,764 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,900 miles higher than typical for a 2023 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 20 June 2027. 33,494 miles at the last test.

26 other cars with the same year, trim, gearbox and fuel are for sale from £34,493 to £47,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£34,493	73,076 miles
£36,270	41,096 miles
£37,337	31,984 miles
£37,498	33,849 miles
£37,500	33,170 miles

These cars have covered 14,158–73,076 miles, compared with 36,451 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

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Dealer

MINI UK at Cotswold Hereford, Hereford. Across the dealer network: 104 branches, 2,723 cars for sale.

Dealer postcode: HR1 1LN.