Used BYD Seal U for sale near Cardiff
There are 6 used BYD Seal U for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 9 November 2026. The cheapest is £25,498. AskCar lists 835 used BYD Seal U across the UK, from 156 dealerships.
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 Cardiff
4 of the 6 BYD Seal U within 20 miles of Cardiff 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, grey. Mileage: 1,562 miles. Price: £27,790, unchanged since AskCar first saw it on 29 October 2026, 11 days ago. Fair price: £2,196 (7%) under the AskCar estimate of £29,986. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-cfb9babb83b3
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 431 miles. Price: £30,290, reduced by £5,700 from £35,990 since AskCar first saw it on 23 July 2026, 109 days ago. Fair price: £359 (1%) under the AskCar estimate of £30,649. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group Mercedes-Benz Of Cardiff & Newport in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-995fa86d3a66
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 560 miles. Price: £30,290, reduced by £5,700 from £35,990 since AskCar first saw it on 23 July 2026, 109 days ago. Fair price: £235 (under 1%) under the AskCar estimate of £30,525. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group Mercedes-Benz Of Cardiff & Newport in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-dbf71fb371ae
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 6,389 miles. Price: £25,498, reduced by £1,500 from £26,998 since AskCar first saw it on 11 August 2026, 90 days ago. Fair price: £122 (under 1%) over the AskCar estimate of £25,376. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Arnold Clark Cardiff Motorstore Omoda Jaecoolepas in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-bea13c0b0b77
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 6,118 miles. Price: £25,790, reduced by £460 from £26,250 since AskCar first saw it on 18 September 2026, 52 days ago. Fair price: £514 (2%) over the AskCar estimate of £25,276. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-db2d882ca223
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 10,025 miles. Price: £25,990, unchanged since AskCar first saw it on 29 October 2026, 11 days ago. Fair price: £1,218 (4%) over the AskCar estimate of £24,772. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-0b0acf3ce0a8
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