2021 BMW 3 Series

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

£29,990

Good value: £3,525 under the typical £33,515 for this model, age and mileage, drawing on 6,849 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
38,000 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 38,000 miles, around 16,600 fewer than typical for its age. Our estimated market asking price is £33,515. This car is advertised at £29,990, which is £3,525 below that figure. The estimate uses 6,849 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 113 days ago. The recorded MOT expired on 21 October 2026, so ask the dealer whether it has been renewed. Its advertised mileage is consistent with the latest recorded MOT reading. The seller is Hexagon Cars Of Harrogate, based in Harrogate.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 1 July 2026, 113 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observedAsking price
1 July 2026£29,990
17 July 2026£29,990
21 October 2026£29,990

Price and mileage comparison

Estimated market asking price: £33,515. The asking price is £3,525 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 6,849 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 16,600 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 21 October 2026. 35,392 miles at the last test.

57 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
£25,99584,000 miles
£26,49573,000 miles
£26,75037,000 miles
£26,99576,150 miles

These cars have covered 6,593–89,162 miles, compared with 38,000 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