2021 BMW 3 Series

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

£29,750

Above the going rate: £3,658 over the typical £26,092 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
75,465 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
Blue
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 is advertised with 75,465 miles, approximately 20,700 above the typical mileage for its age. Our estimated market asking price is £26,092. This car is advertised at £29,750, which is £3,658 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 have tracked this advert for 90 days. MOT records show an expiry date of 20 November 2026, and the latest recorded mileage is consistent with the advert. The seller is Sytner Stevenage BMW, based in Stevenage.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 July 2026, 90 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
26 July 2026£29,000
23 September 2026£29,750
22 October 2026£29,750

Price and mileage comparison

Estimated market asking price: £26,092. The asking price is £3,658 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 20,700 miles higher 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. 70,215 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 75,465 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

AskCar lists 588,092 cars from 13,071 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.