Used BYD Seal 6 for sale near Dartford
There are 9 used BYD Seal 6 for sale from UK dealers within 20 miles of Dartford on AskCar, as of 9 November 2026. The cheapest is £21,800. AskCar lists 206 used BYD Seal 6 across the UK, from 90 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 Dartford
6 of the 9 BYD Seal 6 within 20 miles of Dartford 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 200 priced BYD Seal 6 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 6 1.5 Boost, 181 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, white. Mileage: 21 miles. Price: £22,779, reduced by £5,986 from £28,765 since AskCar first saw it on 28 May 2026, 165 days ago. Fair price: £1,737 (7%) under the AskCar estimate of £24,516. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD Waltham Abbey in Waltham Abbey, 19 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-99bdcc17f1bf
- 2026 BYD Seal 6 1.5 Boost, 181 bhp, automatic, plug-in hybrid (petrol), saloon, 4 doors, blue. Mileage: 10 miles. Price: £23,500, reduced by £2,500 from £26,000 since AskCar first saw it on 3 August 2026, 98 days ago. Fair price: £1,096 (4%) under the AskCar estimate of £24,596. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD East London in London, 10 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-e87c7de2b206
- 2026 BYD Seal 6 1.5 Boost, 181 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, black. Mileage: 10 miles. Price: £24,000, reduced by £2,500 from £26,500 since AskCar first saw it on 3 August 2026, 98 days ago. Fair price: £524 (2%) under the AskCar estimate of £24,524. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD Romford in Romford, 10 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-1aae28e272b1
- 2026 BYD Seal 6 1.5 Boost, 181 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, blue. Mileage: 10 miles. Price: £24,000, reduced by £2,500 from £26,500 since AskCar first saw it on 3 August 2026, 98 days ago. Fair price: £524 (2%) under the AskCar estimate of £24,524. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD Waltham Abbey in Waltham Abbey, 19 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-40c923c411d1
- 2025 BYD Seal 6 1.5 Boost, 180 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, blue. Mileage: 8,704 miles. Price: £21,800, reduced by £2,000 from £23,800 since AskCar first saw it on 6 August 2026, 95 days ago. Fair price: £101 (under 1%) over the AskCar estimate of £21,699. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lmc Cars in Upminster, 8 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-71f6b43adb5f
- 2025 BYD Seal 6 1.5 Boost, 180 bhp, automatic, plug-in hybrid (petrol), saloon, 4 doors, white. Mileage: 4,433 miles. Price: £22,195, reduced by £4,300 from £26,495 since AskCar first saw it on 13 June 2026, 149 days ago. Fair price: £259 (1%) over the AskCar estimate of £21,936. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: WJ King Vauxhall & BYD Gravesend in Gravesend, 6 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-f648312d4ce5
- 2026 BYD Seal 6 1.5 Boost, 181 bhp, automatic, plug-in hybrid (petrol), saloon, 4 doors, black. Mileage: 1,678 miles. Price: £24,399, reduced by £3,551 from £27,950 since AskCar first saw it on 4 July 2026, 128 days ago. Fair price: £1,040 (4%) over the AskCar estimate of £23,359. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Hendy Peugeot & Vauxhall Tonbridge in Tonbridge, 18 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-8487968a0e0c
- 2026 BYD Seal 6 1.5 Boost, 180 bhp, automatic, plug-in hybrid (petrol), saloon, 4 doors, blue. Mileage: 730 miles. Price: £25,875, unchanged since AskCar first saw it on 3 October 2026, 37 days ago. Fair price: £1,533 (6%) over the AskCar estimate of £24,342. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: BYD Alan Day New Southgate in New Southgate, 19 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-ed5ef124764b
- 2026 BYD Seal 6 1.5 Boost, 180 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, black. Mileage: 3,732 miles. Price: £25,308, unchanged since AskCar first saw it on 3 October 2026, 37 days ago. Above the going rate: £2,269 (9%) over the AskCar estimate of £23,039. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: BYD Alan Day New Southgate in New Southgate, 19 miles from Dartford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-79be54488ce2
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