2026 BYD Seal 6 1.5 Boost
Version: 1.5 DM-i Boost CVT FWD Euro 6 5dr e (181 bhp)
Price: £21,200. Fair price: £69 (under 1%) under the AskCar estimate of £21,269, our expected asking price for this car from its model, age, mileage and specification, drawing on 204 priced BYD Seal 6 adverts on AskCar as of 29 October 2026.
AskCar lists 209 used BYD Seal 6 from 91 UK dealerships, as of 29 October 2026.
Overview
- Make
- BYD
- Model
- Seal 6
- Trim
- Boost
- Version
- 1.5 DM-i Boost CVT FWD Euro 6 5dr e (181 bhp)
- Mileage
- 12,276 miles
- Year
- 2026
- Fuel type
- Plug-in hybrid (petrol)
- Body type
- Estate
- Engine
- 1.5 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 5
- CO2
- 60 g/km
- Colour
- Blue
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- CVT
- Engine badge
- Boost
- Hybrid type
- Plug-in hybrid
- Emissions standard
- Euro 6
About this car
This 2026 BYD Seal 6 Boost is advertised with 12,276 miles, approximately 11,600 above the typical mileage for its age. The AskCar estimate for this car is £21,269. It is priced at £21,200, which is £69 below that estimate. The AskCar estimate uses UK dealer asking prices, including 204 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. The seller is Marshall BYD Peterborough, based in Peterborough.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £21,200 |
Price and mileage comparison
Fair price: £69 (under 1%) under the AskCar estimate of £21,269.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 204 priced BYD Seal 6 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 11,600 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.
MOT
MOT: first test not yet due.
Other matching cars
100 other 2026 BYD Seal 6 Boost automatic plug-in hybrids (petrol) are for sale at UK dealers from £19,990 to £33,995, as of 29 October 2026.
The 5 cheapest:
- 2026 BYD Seal 6. Price: £19,990. Mileage: 12,915 miles. Dealer: Swansway Garages BYD Crewe in Crewe. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-2a24ba6e11a5
- 2026 BYD Seal 6. Price: £20,995. Mileage: 11,670 miles. Dealer: All Electric BYD Birmingham South in Birmingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-8681392da391
- 2026 BYD Seal 6. Price: £21,000. Mileage: 11,766 miles. Dealer: Marshall BYD St Neots in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-35960541b7ca
- 2026 BYD Seal 6. Price: £21,000. Mileage: 11,963 miles. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-6dd633dc3e9a
- 2026 BYD Seal 6. Price: £21,000. Mileage: 10,421 miles. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-8592f5f8a3c8
The 100 matching cars have covered 1 to 12,915 miles, compared with 12,276 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BYD Seal 6 cars for sale · 2026 BYD Seal 6 price guide
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.