Used BYD Seal U for sale near Hillingdon
There are 4 used BYD Seal U for sale from UK dealers within 20 miles of Hillingdon on AskCar, as of 8 November 2026. The cheapest is £24,495. AskCar lists 864 used BYD Seal U across the UK, from 161 dealerships.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Hillingdon
3 of the 4 BYD Seal U within 20 miles of Hillingdon had their price reduced in the last 14 days to 8 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 821 priced BYD Seal U adverts on AskCar as of 8 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 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 45 miles. Price: £29,627, reduced by £323 from £29,950 since AskCar first saw it on 31 October 2026, 8 days ago. Fair price: £1,764 (5%) under the AskCar estimate of £31,391. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD St Albans in St Albans, 16 miles from Hillingdon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-6b437ab8095a
- 2025 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 4,796 miles. Price: £24,495, reduced by £1,300 from £25,795 since AskCar first saw it on 7 September 2026, 62 days ago. Fair price: £280 (1%) under the AskCar estimate of £24,775. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hartwell Watford in Watford, 8 miles from Hillingdon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-966bbe91fbf0
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 4,834 miles. Price: £25,998, reduced by £300 from £26,298 since AskCar first saw it on 27 August 2026, 73 days ago. Fair price: £243 (under 1%) over the AskCar estimate of £25,755. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Arnold Clark Chertsey Motorstore / Geely in Chertsey, 11 miles from Hillingdon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-0a8bf89ee5a7
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 5,158 miles. Price: £26,495, unchanged since AskCar first saw it on 28 September 2026, 41 days ago. Fair price: £807 (3%) over the AskCar estimate of £25,688. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hartwell Watford in Watford, 8 miles from Hillingdon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-89e2057d33be
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