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Honestjohn
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6 1.5 DM-i Boost 4dr e-CVT
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Motors.co.uk
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6 1.5 DM-i Boost 5dr e-CVT
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Featured deals
Used BYD Seal
Factors that affect the depreciation of a BYD Seal:
- Mileage driven
- Maintenance
- Service history
Depreciation is an important part of calculating the total cost of owning a BYD Seal. In addition to the monthly depreciation of £63, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.
Model year | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
2023 BYD Seal | £30,899 - £36,990 | £34,472 | 5,600 miles | -£5,260 | < 10 |
2026 BYD Seal | £25,615 - £46,230 | £33,817 | 0 miles | -£680 | 411 |
2024 BYD Seal | £27,900 - £44,990 | £32,765 | 14,500 miles | -£760 | 10 |
2025 BYD Seal | £24,924 - £37,495 | £29,420 | 4,700 miles | -£8,680 | 160 |
*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
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
BYD Seal Design | £27,990 - £44,120 | £36,290 | 0 miles | +£320 | 121 |
BYD Seal Comfort | £25,677 - £36,338 | £30,162 | 6,500 miles | -£2,560 | 92 |
💰 The budget choice BYD Seal Boost | £24,924 - £34,395 | £29,658 | 0 miles | +£660 | 261 |
*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
The Boost is the cheapest entry point with an average price of £29,658.
There are the most Boost for sale right now (261), which gives you the most options to choose from.
The Boost has held its price stable with minimal loss in value over the past year (+£660).
Month | Average market price | Lowest market price | Highest market price | Calculation method |
|---|---|---|---|---|
| 2026 - January | £34,680 | £30,880 | £38,480 | Estimate |
| 2026 - February | £35,120↗ | £31,200 | £39,040 | Estimate |
| 2026 - March | £34,760↘ | £30,720 | £38,800 | Estimate |
| 2026 - April | £33,980↘ | £29,940 | £38,040 | Estimate |
| 2026 - May | £33,920↘ | £29,580 | £38,260 | Estimate |
| 2026 - July | £33,540↘ | - | - | Forecast |
| 2026 - August | £33,360↘ | - | - | Forecast |
| 2026 - September | £33,160↘ | - | - | Forecast |
| 2026 - October | £32,980↘ | - | - | Forecast |
| 2026 - November | £32,780↘ | - | - | Forecast |
All estimates and forecasts are based on actual market data
Average Monthly Depreciation
A summary of the past 12 and an estimation of the next 6 months.
Past 12 months
-£760
Next 6 months
-£1,140
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