2021 BMW 3 Series

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

£31,950

Fair price: within 8% of the typical £31,502 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 M340d MHT Auto 4WD Euro 6 (s/s) 4dr (335 bhp)
Mileage
33,764 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
Grey
Doors
4
Driven wheels
Four Wheel Drive
Engine badge
M340d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2021 BMW 3 Series is advertised with 33,764 miles, approximately 20,800 below the typical mileage for its age. Its asking price of £31,950 is £448 above our estimate of £31,502. We use UK dealer asking prices, including 6,849 BMW 3 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 36 days ago, the asking price has dropped by £1,000. Its recorded MOT is valid until 20 November 2026, and its advertised mileage is consistent with the latest MOT reading. The seller is Sandal BMW Huddersfield, based in Huddersfield.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 September 2026, 36 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £1,000 from the first recorded £32,950. 1 price reduction recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
16 September 2026£32,950
17 October 2026£31,950
21 October 2026£31,950

Price and mileage comparison

Estimated market asking price: £31,502. The asking price is £448 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 6,849 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 20,800 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 20 November 2026. 29,006 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 33,764 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

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Dealer

Sandal BMW Huddersfield, Huddersfield. Across the dealer network: 2 branches, 240 cars for sale.

Dealer postcode: HD1 6NN.

Dealer opening hours

Monday
08:30-18:00
Tuesday
08:30-18:00
Wednesday
08:30-18:00
Thursday
08:30-18:00
Friday
08:30-18:00
Saturday
09:00-17:00
Sunday
11:00-17:00

Vehicle photos