2021 BMW 3 Series 3.0 M340i MHT

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

Price: £33,950. Fair price: £27 (under 1%) under the AskCar estimate of £33,977, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,706 priced BMW 3 Series adverts on AskCar as of 30 October 2026.

AskCar lists 6,987 used BMW 3 Series from 2,629 UK dealerships, as of 30 October 2026.

Overview

Make
BMW
Model
3 Series
Version
3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
Mileage
35,167 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
369 bhp
Seats
5
CO2
176 g/km
Colour
Black
Doors
4
Driven wheels
Four Wheel Drive
Engine badge
M340i; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

With 35,167 miles on the clock, this 2021 BMW 3 Series has done roughly 19,500 fewer miles than a typical 2021 BMW 3 Series. The AskCar estimate for this car is £33,977. It is priced at £33,950, which is £27 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,706 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. MOT records show an expiry date of 28 June 2027, and the latest recorded mileage is consistent with the advert. The seller is MINI UK at Cotswold Hereford, based in Hereford.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£33,950

Price and mileage comparison

Fair price: £27 (under 1%) under the AskCar estimate of £33,977.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,706 priced BMW 3 Series adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 19,500 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 28 June 2027. 25,501 miles at the last test.

Other matching cars

61 other 2021 BMW 3 Series automatic petrol cars are for sale at UK dealers from £22,000 to £45,000, as of 30 October 2026.

The 5 cheapest:

The 61 matching cars have covered 6,593 to 89,162 miles, compared with 35,167 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide

More like this

Photos

1 photo of this car is on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.