Used (2021) BMW M340 M Sport 340 HP | Fair price
3 SeriesxDrive Saloon 3.0 4dr
- 2021
- 38,145 miles
- Trim level: M Sport
- 3.0L Diesel
- Sedan
- Automatic
- 340 HP (250 kW)
- CO2 emissions: 159 g CO2/km comb.
- 46.3 mpg
- Details
Fair price
Bmw.co.uk
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3 SeriesxDrive Saloon 3.0 4dr
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3 Series xDrive Touring 3.0
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Model year | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
2026 BMW M340 | £48,109 - £66,436 | £55,709 | 3,500 miles | -£2,460 | 63 |
2025 BMW M340 | £45,270 - £63,140 | £52,503 | 7,000 miles | -£1,900 | 34 |
2024 BMW M340 | £38,765 - £50,025 | £45,053 | 20,700 miles | -£3,400 | 59 |
2023 BMW M340 | £36,057 - £49,933 | £43,532 | 23,400 miles | -£3,180 | 55 |
2022 BMW M340 | £30,109 - £43,371 | £36,761 | 38,000 miles | -£540 | 65 |
2020 BMW M340 | £26,461 - £41,250 | £32,749 | 47,900 miles | -£1,460 | 33 |
2019 BMW M340 | £27,504 - £35,843 | £31,002 | 54,600 miles | - | < 10 |
2021 BMW M340 | £25,556 - £38,500 | £30,860 | 51,000 miles | -£1,360 | 109 |
*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market
The data is based on the cars currently listed on AutoUncle
Last updated: 29 June 2026
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
🏆 The most popular BMW M340 M Sport | £27,477 - £61,880 | £43,713 | 20,700 miles | +£1,360 | 276 |
BMW M340 Comfort Edition | £26,400 - £47,359 | £36,856 | 39,700 miles | -£1,460 | 89 |
📈 The best value BMW M340 Shadowline | £26,905 - £46,203 | £35,983 | 40,800 miles | +£2,040 | 32 |
💰 The budget choice BMW M340 Performance | £26,097 - £33,341 | £29,273 | 65,800 miles | -£880 | 12 |
*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market
The data is based on the cars currently listed on AutoUncle
Last updated: 29 June 2026
The Performance is the cheapest entry point with an average price of £29,273.
There are the most M Sport for sale right now (276), which gives you the most options to choose from.
The Shadowline has held its price stable with minimal loss in value over the past year (+£2,040).
Price checked by AutoUncle
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Fair price
A bit pricey
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