Used BYD Seal U for sale near Aylesbury
There are 11 used BYD Seal U for sale from UK dealers within 20 miles of Aylesbury on AskCar, as of 10 November 2026. Typical asking price £25,500 (the median: half cost less, half cost more). The cheapest is £21,990. AskCar lists 886 used BYD Seal U across the UK, from 161 dealerships.
The middle half of the 11 cars are priced between £24,000 and £28,000.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Aylesbury
2 of the 11 BYD Seal U within 20 miles of Aylesbury had their price reduced in the last 14 days to 10 November 2026. Each one's line in the list below says by how much.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 865 priced BYD Seal U adverts on AskCar as of 10 November 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 2,760 miles. Price: £27,994, unchanged since AskCar first saw it on 10 November 2026. Fair price: £1,127 (3%) under the AskCar estimate of £29,121. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-3668f2e80269
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 7,937 miles. Price: £24,190, reduced by £2,140 from £26,330 since AskCar first saw it on 25 July 2026, 108 days ago. Fair price: £812 (3%) under the AskCar estimate of £25,002. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-225985017953
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 12,649 miles. Price: £24,180, reduced by £2,830 from £27,010 since AskCar first saw it on 25 July 2026, 108 days ago. Fair price: £786 (3%) under the AskCar estimate of £24,966. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-58f95cb04d89
- 2025 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 1,893 miles. Price: £25,499, reduced by £1,000 from £26,499 since AskCar first saw it on 13 July 2026, 120 days ago. Fair price: £134 (under 1%) under the AskCar estimate of £25,633. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hartwell Dunstable in Dunstable, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-bc36c170f728
- 2026 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 1,975 miles. Price: £29,495, reduced by £500 from £29,995 since AskCar first saw it on 16 August 2026, 86 days ago. Fair price: £7 (under 1%) under the AskCar estimate of £29,502. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Perrys Aylesbury in Aylesbury, 1 mile from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ee1f13c9af8f
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 8,300 miles. Price: £27,790. AskCar first saw it on 14 July 2026, 119 days ago. Fair price: £38 (under 1%) over the AskCar estimate of £27,752. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-e732e44694ce
- 2025 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 4,560 miles. Price: £24,999, reduced by £1,500 from £26,499 since AskCar first saw it on 13 July 2026, 120 days ago. Fair price: £158 (under 1%) over the AskCar estimate of £24,841. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hartwell Dunstable in Dunstable, 14 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-15b534392d3c
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 29,530 miles. Price: £21,990, unchanged since AskCar first saw it on 28 October 2026, 13 days ago. Fair price: £142 (under 1%) over the AskCar estimate of £21,848. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: NSA Motor Vehicles in Milton Keynes, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-78cb140522e7
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 11,457 miles. Price: £27,295. AskCar first saw it on 14 July 2026, 119 days ago. Fair price: £258 (under 1%) over the AskCar estimate of £27,038. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes, 17 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-b23a725fde8d
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 37,164 miles. Price: £22,495, unchanged since AskCar first saw it on 3 November 2026, 7 days ago. Above the going rate: £1,759 (8%) over the AskCar estimate of £20,736. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: NSA Motor Vehicles in Milton Keynes, 16 miles from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-d345aa4d703c
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 10 miles. Price: £31,631, raised by £2,547 from £29,084 since AskCar first saw it on 1 October 2026, 40 days ago. Fair price: £151 (under 1%) over the AskCar estimate of £31,480. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Perrys Aylesbury in Aylesbury, 1 mile from Aylesbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-d438a0fb97cd
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