2021 BMW 3 Series

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

£33,494

Fair price: within 8% of the typical £32,628 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 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
Mileage
42,410 miles
Year
2021
Fuel type
Petrol Hybrid
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
369 bhp
Seats
5
CO2
176 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 2021 BMW 3 Series has covered 42,410 miles, around 12,300 fewer than typical for its age. Our estimated market asking price is £32,628. This car is advertised at £33,494, which is £866 above that figure. The estimate uses 6,886 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 17 days ago, and its asking price has since fallen by £356. MOT records show an expiry date of 19 April 2027, and the latest recorded mileage is consistent with the advert. You can find this car at Prestige Cars Kent in Orpington.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 7 October 2026, 17 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £356 from the first recorded £33,850. 2 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
7 October 2026£33,850
15 October 2026£33,619
20 October 2026£33,494
22 October 2026£33,494

Price and mileage comparison

Estimated market asking price: £32,628. The asking price is £866 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 12,300 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 19 April 2027. 39,691 miles at the last test.

58 other cars with the same year, trim, gearbox and fuel are for sale from £25,475 to £45,000.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£25,47589,162 miles
£25,99037,000 miles
£25,99584,000 miles
£26,44963,729 miles
£26,49573,000 miles

These cars have covered 6,593–89,162 miles, compared with 42,410 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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