2021 BMW 3 Series 3.0 M340i MHT
Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
Price: £34,995. Fair price: £1,846 (5%) over the AskCar estimate of £33,149, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,652 priced BMW 3 Series adverts on AskCar as of 1 November 2026.
AskCar lists 6,914 used BMW 3 Series from 2,613 UK dealerships, as of 1 November 2026.
Overview
- Make
- BMW
- Model
- 3 Series
- Version
- 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
- Mileage
- 39,723 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
This 2021 BMW 3 Series has covered 39,723 miles, around 15,300 fewer miles than is typical for its age. Priced at £34,995, it is advertised £1,846 above the AskCar estimate of £33,149. The AskCar estimate uses UK dealer asking prices, including 6,652 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 18 March 2027, and the latest recorded mileage is consistent with the advert. The seller is MINI UK at Dick Lovett Hungerford, based in Hungerford.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £34,995 |
Price and mileage comparison
Fair price: £1,846 (5%) over the AskCar estimate of £33,149.
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 6,652 priced BMW 3 Series adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 15,300 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 18 March 2027. 33,490 miles at the last test.
Other matching cars
60 other 2021 BMW 3 Series automatic petrol cars are for sale at UK dealers from £22,000 to £45,000, as of 1 November 2026.
The 5 cheapest:
- 2021 BMW 3 Series. Price: £22,000. Mileage: 20,565 miles. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-30a32cfa2a20
- 2021 BMW 3 Series. Price: £25,475. Mileage: 89,162 miles. Dealer: Junction 17 Cars Limited t/a Junction 17 Cars (Grantham) in Grantham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8d56ff51bfbf
- 2021 BMW 3 Series. Price: £25,990. Mileage: 37,000 miles. Dealer: Kingstanding Car Sales in Kingstanding. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fa7cf56a0143
- 2021 BMW 3 Series. Price: £25,995. Mileage: 84,000 miles. Dealer: Mk Autos in Failsworth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f78f60a80d78
- 2021 BMW 3 Series. Price: £26,495. Mileage: 73,000 miles. Dealer: Alpine Performance Cars in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-46027240a422
The 60 matching cars have covered 6,593 to 89,162 miles, compared with 39,723 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
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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 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.