2021 BMW 3 Series

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

£28,000

Fair price: within 8% of the typical £27,916 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
54,000 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
335 bhp
Seats
5
CO2
160 g/km
Colour
Black
Doors
4
Driven wheels
Four Wheel Drive
Engine badge
M340d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

The advertised mileage for this 2021 BMW 3 Series is 54,000 miles. Its asking price of £28,000 is £84 above our estimate of £27,916. To estimate its market asking price, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 120 days ago, the asking price has dropped by £1,500. That may be worth mentioning if you discuss the price with the dealer. Its MOT is recorded as valid until 26 March 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by T C & C Ltd T/A Trade Cars & Commercials in Prudhoe.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 June 2026, 120 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,500 from the first recorded £29,500. 3 price reductions recorded, the latest observed on 11 October 2026.

Recorded asking prices
Date observedAsking price
26 June 2026£29,500
10 July 2026£29,500
7 August 2026£29,000
8 August 2026£29,000
25 August 2026£28,500
11 October 2026£28,000
22 October 2026£28,000

Price and mileage comparison

Estimated market asking price: £27,916. The asking price is £84 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 6,886 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 700 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 26 March 2027. 52,756 miles at the last test.

55 other cars with the same year, trim, gearbox and fuel are for sale from £19,995 to £36,500.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£19,99566,457 miles
£22,49094,000 miles
£22,95079,227 miles
£22,99599,000 miles
£23,99582,819 miles

These cars have covered 8,500–99,000 miles, compared with 54,000 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 · 2021 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

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