Used BYD Seal U for sale near Northallerton
There are 23 used BYD Seal U for sale from UK dealers within 20 miles of Northallerton on AskCar, as of 10 November 2026. Typical asking price £26,000 (the median: half cost less, half cost more). The cheapest is £23,371. AskCar lists 886 used BYD Seal U across the UK, from 161 dealerships.
The middle half of the 23 cars are priced between £25,000 and £26,000.
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 Northallerton
12 of the 23 BYD Seal U within 20 miles of Northallerton 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 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 4,284 miles. Price: £26,790, unchanged since AskCar first saw it on 7 November 2026, 3 days ago. Fair price: £1,922 (6%) under the AskCar estimate of £28,712. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-23264dd94781
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 10,127 miles. Price: £25,750, reduced by £528 from £26,278 since AskCar first saw it on 28 October 2026, 13 days ago. Fair price: £1,497 (5%) under the AskCar estimate of £27,247. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lookers BYD Middlesbrough in Middlesbrough, 19 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-4aa1059e698f
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 3,556 miles. Price: £24,498, reduced by £501 from £24,999 since AskCar first saw it on 25 October 2026, 16 days ago. Fair price: £1,297 (5%) under the AskCar estimate of £25,795. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lookers BYD Middlesbrough in Middlesbrough, 19 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-89cc19f89f6a
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 12,702 miles. Price: £23,498, reduced by £201 from £23,699 since AskCar first saw it on 31 October 2026, 10 days ago. Fair price: £594 (2%) under the AskCar estimate of £24,092. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lookers BYD Middlesbrough in Middlesbrough, 19 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-7bb953be72af
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 3,571 miles. Price: £25,790, unchanged since AskCar first saw it on 15 October 2026, 26 days ago. Fair price: £216 (under 1%) under the AskCar estimate of £26,006. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-1bb1a5158279
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 5,088 miles. Price: £25,490, reduced by £800 from £26,290 since AskCar first saw it on 15 October 2026, 26 days ago. Fair price: £52 (under 1%) under the AskCar estimate of £25,542. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-4794bd5752aa
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 2,464 miles. Price: £25,990, reduced by £500 from £26,490 since AskCar first saw it on 20 October 2026, 21 days ago. Fair price: £3 (under 1%) under the AskCar estimate of £25,993. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-18af0734e0d2
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 2,729 miles. Price: £25,990, reduced by £500 from £26,490 since AskCar first saw it on 3 October 2026, 38 days ago. Fair price: £62 (under 1%) over the AskCar estimate of £25,928. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-c9c4c1e2b71d
- 2025 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 4,057 miles. Price: £24,990, reduced by £900 from £25,890 since AskCar first saw it on 5 August 2026, 97 days ago. Fair price: £71 (under 1%) over the AskCar estimate of £24,919. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-beec2cf12cac
- 2025 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 12,046 miles. Price: £23,371, reduced by £1,214 from £24,585 since AskCar first saw it on 28 May 2026, 166 days ago. Fair price: £128 (under 1%) over the AskCar estimate of £23,243. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lookers BYD Middlesbrough in Middlesbrough, 19 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-e9e61a416116
- 2025 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 4,499 miles. Price: £24,990, reduced by £500 from £25,490 since AskCar first saw it on 11 August 2026, 91 days ago. Fair price: £140 (under 1%) over the AskCar estimate of £24,850. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-1876f1cc67ff
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 6,825 miles. Price: £25,490, unchanged since AskCar first saw it on 7 November 2026, 3 days ago. Fair price: £197 (under 1%) over the AskCar estimate of £25,293. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-aed650dacb56
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 1,662 miles. Price: £27,490, reduced by £1,000 from £28,490 since AskCar first saw it on 11 August 2026, 91 days ago. Fair price: £229 (under 1%) over the AskCar estimate of £27,261. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-c029ee6e1d74
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 17,158 miles. Price: £23,699, reduced by £3,070 from £26,769 since AskCar first saw it on 28 May 2026, 166 days ago. Fair price: £223 (under 1%) over the AskCar estimate of £23,476. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lookers BYD Middlesbrough in Middlesbrough, 19 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-e06e074c7f1d
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 5,998 miles. Price: £25,790, unchanged since AskCar first saw it on 7 October 2026, 34 days ago. Fair price: £280 (1%) over the AskCar estimate of £25,510. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-de4e26c2bf4e
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 4,414 miles. Price: £25,990, reduced by £300 from £26,290 since AskCar first saw it on 20 October 2026, 21 days ago. Fair price: £332 (1%) over the AskCar estimate of £25,658. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-24b0839edaca
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 7,741 miles. Price: £25,490, unchanged since AskCar first saw it on 7 November 2026, 3 days ago. Fair price: £437 (1%) over the AskCar estimate of £25,053. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-667c2380d326
- 2026 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 1,541 miles. Price: £30,495, reduced by £500 from £30,995 since AskCar first saw it on 23 October 2026, 18 days ago. Fair price: £598 (2%) over the AskCar estimate of £29,897. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Richmond in Richmond, 13 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a2a498cdb4bb
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 8,532 miles. Price: £25,490, reduced by £500 from £25,990 since AskCar first saw it on 11 August 2026, 91 days ago. Fair price: £641 (2%) over the AskCar estimate of £24,849. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-d8d997af1d8b
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 9,811 miles. Price: £26,137, reduced by £2,607 from £28,744 since AskCar first saw it on 18 June 2026, 145 days ago. Fair price: £734 (2%) over the AskCar estimate of £25,403. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lookers BYD Middlesbrough in Middlesbrough, 19 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-c09b25aa9f9f
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 12,409 miles. Price: £25,839, reduced by £2,386 from £28,225 since AskCar first saw it on 19 June 2026, 144 days ago. Fair price: £838 (3%) over the AskCar estimate of £25,001. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lookers BYD Middlesbrough in Middlesbrough, 19 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-46cb8e697c20
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, blue. Mileage: 2,000 miles. Price: £27,498, reduced by £301 from £27,799 since AskCar first saw it on 28 September 2026, 43 days ago. Fair price: £1,133 (4%) over the AskCar estimate of £26,365. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lookers BYD Middlesbrough in Middlesbrough, 19 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-15377f2622cd
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 13,566 miles. Price: £25,490, reduced by £500 from £25,990 since AskCar first saw it on 15 October 2026, 26 days ago. Fair price: £1,161 (4%) over the AskCar estimate of £24,329. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: SG Petch Darlington in Darlington, 14 miles from Northallerton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-59023ec9fd10
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