Used BYD Seal U for sale near Watford
There are 15 used BYD Seal U for sale from UK dealers within 20 miles of Watford on AskCar, as of 9 November 2026. Typical asking price £26,000 (the median: half cost less, half cost more). The cheapest is £24,495. AskCar lists 835 used BYD Seal U across the UK, from 156 dealerships.
The middle half of the 15 cars are priced between £25,500 and £27,500.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Watford
4 of the 15 BYD Seal U within 20 miles of Watford had their price reduced in the last 14 days to 9 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 814 priced BYD Seal U adverts on AskCar as of 9 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, 9 days ago. Fair price: £1,817 (5%) under the AskCar estimate of £31,444. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD St Albans in St Albans, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-6b437ab8095a
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 5,103 miles. Price: £25,045, reduced by £1,205 from £26,250 since AskCar first saw it on 24 September 2026, 46 days ago. Fair price: £501 (1%) under the AskCar estimate of £25,546. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD Waltham Abbey in Waltham Abbey, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-4ca4bc786dce
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 10 miles. Price: £30,999, reduced by £1 from £31,000 since AskCar first saw it on 4 October 2026, 36 days ago. Fair price: £572 (1%) under the AskCar estimate of £31,571. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Gates Of Stevenage in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-9b6d47ab5be2
- 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, 63 days ago. Fair price: £314 (1%) under the AskCar estimate of £24,809. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hartwell Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-966bbe91fbf0
- 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, 119 days ago. Fair price: £133 (under 1%) under the AskCar estimate of £25,632. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hartwell Dunstable in Dunstable, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-bc36c170f728
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 2,860 miles. Price: £25,799, unchanged since AskCar first saw it on 30 October 2026, 10 days ago. Fair price: £102 (under 1%) under the AskCar estimate of £25,901. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Gates Of Stevenage in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a419d47ab969
- 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, 119 days ago. Fair price: £155 (under 1%) over the AskCar estimate of £24,844. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hartwell Dunstable in Dunstable, 16 miles from Watford. 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, blue. Mileage: 4,834 miles. Price: £25,998, reduced by £300 from £26,298 since AskCar first saw it on 27 August 2026, 74 days ago. Fair price: £226 (under 1%) over the AskCar estimate of £25,772. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Arnold Clark Chertsey Motorstore / Geely in Chertsey, 19 miles from Watford. 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, grey. Mileage: 12,943 miles. Price: £24,699, unchanged since AskCar first saw it on 24 October 2026, 16 days ago. Fair price: £679 (2%) over the AskCar estimate of £24,020. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Gates Of Stevenage in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-25a3beedf6c8
- 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, 42 days ago. Fair price: £791 (3%) over the AskCar estimate of £25,704. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hartwell Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-89e2057d33be
- 2025 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 6,040 miles. Price: £25,499, unchanged since AskCar first saw it on 30 October 2026, 10 days ago. Fair price: £988 (4%) over the AskCar estimate of £24,511. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Gates Of Stevenage in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-bb8f87774655
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 12,271 miles. Price: £26,299, reduced by £700 from £26,999 since AskCar first saw it on 8 September 2026, 62 days ago. Fair price: £1,313 (5%) over the AskCar estimate of £24,986. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Gates Of Stevenage in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-c3ca622da47d
- 2025 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 6,368 miles. Price: £25,999, unchanged since AskCar first saw it on 29 October 2026, 11 days ago. Fair price: £1,572 (6%) over the AskCar estimate of £24,427. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Gates Of Stevenage in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-dab04d962aff
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 3,993 miles. Price: £28,499, reduced by £1,000 from £29,499 since AskCar first saw it on 28 August 2026, 73 days ago. Above the going rate: £2,772 (10%) over the AskCar estimate of £25,727. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Gates Of Stevenage in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-806eb7391e8a
- 2026 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 1,967 miles. Price: £32,999, unchanged since AskCar first saw it on 25 September 2026, 45 days ago. Above the going rate: £3,391 (11%) over the AskCar estimate of £29,608. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Gates Of Stevenage in Stevenage, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-284a8df203f6
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