Used BYD Seal 6 for Sale
The BYD SEAL 6 DM-i is a family-sized plug-in hybrid available as a saloon or estate - and as a used car, it offers one of the most compelling value propositions in the C-segment right now.
Every used BYD SEAL 6 DM-i at Vertu comes with BYD's transferable six-year vehicle warranty and eight-year drivetrain and Blade Battery cover, meaning the peace of mind that comes with a brand-new car is still firmly intact.
Factor in the depreciation already absorbed on a used example, and you're stepping into a premium PHEV with BYD hybrid running costs without the new-car price tag. What's not to love?
Why Buy a Used BYD Seal 6?
Plug-in hybrids depreciate faster than conventional cars in the first two to three years, but when buying second-hand, that gap is your gain. A used BYD Seal 6 DM-i delivers everything a new one does - the same Super Hybrid system, the same Blade Battery technology, the same electric driving experience - all at a meaningfully lower entry price.
The BYD SEAL 6 DM-i warranty is fully transferable. Buy used and you inherit whatever remains of the six-year vehicle cover and eight-year Blade Battery warranty. On a recently registered car, that's substantial protection - considerably more than most used cars carry.
Running costs don't change with a used example either. AC home charging keeps daily commutes low-cost, and the 188.3 mpg weighted fuel consumption on Comfort Lite and Comfort means longer journeys cost considerably less than a conventional car. Company car drivers have another strong reason to consider a used Seal 6. BYD hybrid PHEVs qualify for low Benefit in Kind (BIK) rates - CO₂ emissions of just 34 g/km on Comfort Lite and Comfort saloon.
BYD's LFP battery chemistry is designed for longevity. Lithium iron phosphate cells are inherently stable and degrade more slowly than other chemistries under regular use. Buying a used BYD electric car or BYD hybrid with an LFP battery is a markedly different proposition from buying a used EV with older cell technology.
Who Is the Used BYD Seal 6 Best For?
Company car and fleet drivers get one of the lowest BIK rates available in this class. The BYD plug-in hybrid technology keeps CO₂ emissions low, and the generous 65 miles electric range on Comfort Lite and Comfort means many working-week commutes never touch the fuel tank.
High-mileage commuters will find the hybrid range genuinely useful - up to 581 miles combined on Saloon Boost, with 26kW DC charging bringing Comfort Lite and Comfort from 30 to 80% in 23 minutes. Families get five full-size seats, a spacious cabin, and up to 1,535-litre boot capacity on the Touring estate. Buyers new to BYD electric cars will appreciate the DM technology (Dual Mode) system, which defaults to pure-electric driving for everyday use with the petrol engine available for longer runs. It's a PHEV that fits around your life.
Used BYD Seal 6 Saloon or Touring Estate - Which Is Right for You?
Both body styles share the same powertrains, cabin, and wheelbase. The choice is purely practical. The saloon suits company car drivers and commuters. Its lower roofline gives a fractional efficiency edge - Boost saloon delivers 581 miles combined range against the Touring's 521 miles - and its lower CO₂ figures make it the stronger BIK choice.
The Touring is BYD's first estate in Europe. Aluminium roof rails, an electric tailgate, and a rear wiper come as standard, and 1,535-litre boot capacity with the seats down matches a mid-size SUV's load area in a more aerodynamic, lower car. If you regularly carry people and luggage, it's the obvious pick. Think roof box on the aluminium roof rails, a dog crate behind the rear seats, or a full camping kit loaded in with the 40:60 split-folding rear seats flat and 1,535-litre boot (seats down) of usable space.
Used BYD Seal 6 Trims and Specifications
Three trim levels are available: Boost, Comfort Lite, and Comfort. The most important buying decision is the charging split. Boost runs a 10.08 kWh Blade Battery with 3.3 kW AC home charging only - no DC fast charging. Comfort Lite and Comfort step up to a 19 kWh battery, nearly doubling pure-electric range from 34 to 65 miles (saloon), and add 26kW DC charging.
On the used market, Comfort Lite is often the stronger value buy - heated and ventilated seats, panoramic sunroof, and 26kW DC charging at a lower asking price than Comfort, with the only trade-off being the smaller touchscreen. The table below covers features across all three trims.
| Feature |
Boost |
Comfort Lite |
Comfort |
| Infotainment & Connectivity |
| Satellite navigation |
✓ |
✓ |
✓ |
| Touchscreen size |
12.8" |
12.8" |
15.6" |
| Apple CarPlay |
✓ |
✓ |
✓ |
| Android Auto |
✓ |
✓ |
✓ |
| Wireless smartphone charging (50W) |
✗ |
✓ |
✓ |
| Speakers |
4 |
8 (Hi-Fi) |
8 (Hi-Fi) |
| Intelligent voice control (Hi BYD) |
✓ |
✓ |
✓ |
| 4G connectivity |
✓ |
✓ |
✓ |
| Comfort & Convenience |
| Keyless entry & push-button start |
✓ |
✓ |
✓ |
| Electric seats (driver - 6-way) |
✓ |
✓ |
✓ |
| Heated & ventilated front seats |
✗ |
✓ |
✓ |
| Seat memory function |
✗ |
✓ |
✓ |
| Vegan leather seats |
✓ |
✓ |
✓ |
| Heated steering wheel |
✗ |
✓ |
✓ |
| Panoramic sunroof |
✗ |
✓ |
✓ |
| PM2.5 filter & air purification |
✓ |
✓ |
✓ |
| Exterior |
| Alloy wheels |
17" |
18" |
18" |
| Electric folding mirrors |
✓ |
✓ |
✓ |
| Auto lights |
✓ |
✓ |
✓ |
| Rain sensors |
✓ |
✓ |
✓ |
| Privacy glass |
✗ |
✓ |
✓ |
| Electric opening tailgate (Touring only) |
✓ |
✓ |
✓ |
| Aluminium roof rails (Touring only) |
✓ |
✓ |
✓ |
| Safety & Driver Assistance |
| Parking sensors (rear) |
✓ |
✓ |
✓ |
| Parking sensors (front) |
✗ |
✓ |
✓ |
| Rear camera |
✓ |
✓ |
✓ |
| 360� view camera |
✗ |
✓ |
✓ |
| Blind spot detection |
✓ |
✓ |
✓ |
| Pre-crash prevention (AEB) |
✓ |
✓ |
✓ |
| Driver fatigue management |
✓ |
✓ |
✓ |
Touring-only features apply to the estate body style across all trims.
Used BYD Seal 6 Engines and Performance
Every BYD SEAL 6 DM-i uses the same Super Hybrid DM technology (Dual Mode) powertrain. There is no purely petrol or purely electric option. The system pairs a 1.5-litre petrol engine with 43% thermal efficiency and a permanent magnet synchronous motor, driving the front-wheel drive through an automatic transmission.
In everyday ownership, the BYD hybrid system prioritises electric drive. The petrol engine acts mainly as a range extender rather than a direct drive source. That means the electric range figures in the table below represent what most drivers will experience on a typical day, rather than a laboratory ideal.
What changes trim to trim is battery size and charging speed, not the fundamental drive character. Boost's smaller 10.08 kWh pack suits drivers who can charge at home every night. Comfort Lite and Comfort's 19 kWh pack suits higher-mileage drivers who want longer pure-electric range and the option of a rapid charge when away from home. All versions support Vehicle-to-Load (V2L) at 3.3 kW as standard - useful for powering devices from the car's battery, whether at a campsite or on a worksite.
| Specification |
Saloon Boost |
Saloon Comfort Lite / Comfort |
Touring Boost |
Touring Comfort Lite / Comfort |
| Powertrain |
| Engine |
1.5L 4-cylinder petrol |
1.5L 4-cylinder petrol |
1.5L 4-cylinder petrol |
1.5L 4-cylinder petrol |
| Transmission |
Automatic |
Automatic |
Automatic |
Automatic |
| Drive type |
Front-wheel drive |
Front-wheel drive |
Front-wheel drive |
Front-wheel drive |
| System total power |
135 kW (181 PS) |
156 kW (209 PS) |
135 kW (181 PS) |
156 kW (209 PS) |
| Engine max power |
72 kW (97 PS) |
72 kW (97 PS) |
72 kW (97 PS) |
72 kW (97 PS) |
| Electric motor power |
145 kW (197 PS) |
145 kW (197 PS) |
145 kW (197 PS) |
145 kW (197 PS) |
| Electric motor torque |
300 Nm |
300 Nm |
300 Nm |
300 Nm |
| Battery capacity |
10.08 kWh |
19 kWh |
10.08 kWh |
19 kWh |
| Performance |
| 0-62 mph |
8.9 secs |
8.5 secs |
8.9 secs |
8.5 secs |
| Top speed |
111 mph |
111 mph |
111 mph |
111 mph |
| Drag coefficient |
0.248 Cd |
0.248 Cd |
0.280 Cd |
0.280 Cd |
| Range & Efficiency |
| Electric range (WLTP) |
34 miles |
65 miles |
31 miles |
62 miles |
| Combined range (WLTP) |
581 miles |
562 miles |
521 miles |
521 miles |
| Fuel consumption (WLTP combined) |
64.2 mpg |
58.9 mpg |
58.9 mpg |
56.5 mpg |
| Fuel consumption (WLTP weighted) |
122.8 mpg |
188.3 mpg |
108.6 mpg |
166.2 mpg |
| CO₂ emissions |
52 g/km |
34 g/km |
60 g/km |
38 g/km |
| Charging |
| AC charging power |
3.3 kW |
6.6 kW |
3.3 kW |
6.6 kW |
| DC fast charging |
✗ |
26 kW |
✗ |
26 kW |
| AC charge time (15-100%) |
3 hrs |
2.7 hrs |
3 hrs |
2.7 hrs |
| DC charge time (30-80%) |
✗ |
23 mins |
✗ |
23 mins |
| Vehicle-to-Load (V2L) |
3.3 kW |
3.3 kW |
3.3 kW |
3.3 kW |
| Dimensions & Capacity |
| Wheelbase |
2,790 mm |
2,790 mm |
2,790 mm |
2,790 mm |
| Boot volume (seats up) |
491 L |
491 L |
500 L |
500 L |
| Boot volume (seats down) |
1,370 L |
1,370 L |
1,535 L |
1,535 L |
| Kerb weight |
1,665 kg |
1,765 kg |
1,710 kg |
1,805 kg |
| Fuel tank capacity |
65 L |
65 L |
65 L |
65 L |
| Towing capacity (unbraked) |
750 kg |
750 kg |
750 kg |
750 kg |
All range and efficiency figures are WLTP. Actual results will vary depending on driving style, conditions, and battery state of charge.
Why Buy a Used BYD Seal 6 from Vertu?
Vertu is one of the UK's leading BYD UK retailers, with dedicated BYD dealerships at Gloucester, Hartlepool, Worcester, Macclesfield, and Morpeth. Every used SEAL 6 DM-i on our forecourt is prepared by BYD-trained colleagues who know the Super Hybrid system inside out, having access to genuine parts and direct BYD technical support.
All our used cars come with Vertu's 14-day money-back guarantee. If the car isn't right for you, return it. No awkward conversations, just a clear promises and solutions.
We offer flexible finance options across all used stock, including hire purchase and personal contract purchase. Our colleagues can walk you through the full range of BYD cars for sale and find the arrangement that fits your budget. Nationwide delivery is available, so distance is no barrier. Part-exchange is available too. Use our Sell My Car tool to get a valuation online.
When your Seal 6 is due for its annual service, our BYD servicing team are trained to keep it in the best condition possible, essential for maintaining the battery warranty and the car's long-term value.
Find Your Used BYD Seal 6 at Vertu
Browse our current stock of used BYD cars online, filter by body style, trim, and budget, and reserve your preferred car from home.
Want to compare with the latest models? Explore our full range of new BYD car deals or visit your nearest Vertu BYD dealership to speak with a colleague in person.
To discuss BYD car price options, BYD prices, or current BYD cost breakdowns on a specific used Seal 6, contact us directly. Our colleagues will provide a personalised quotation with no obligation.
Used BYD Seal 6: Frequently Asked Questions
Is the BYD Seal 6 a Good Used Buy?
Yes. The BYD SEAL 6 DM-i is one of the stronger used plug-in hybrid propositions on the UK market. It offers a premium cabin, up to 65 miles electric range on larger-battery trims, and a transferable six-year warranty - advantages that don't diminish with previous ownership. PHEVs absorb depreciation faster in their early years, so a used Seal 6 can represent substantially better value than the equivalent new price suggests.
Does the BYD Warranty Transfer to a Used Buyer?
Yes. BYD's six-year vehicle warranty and eight-year drivetrain and Blade Battery warranty transfer with the car to subsequent owners. The remaining cover is whatever is left of the original term from first registration - on a recently registered example, that can mean several years of manufacturer protection still in force.
What Is the BIK Rate on a Used BYD Seal 6?
The BYD hybrid Seal 6 qualifies for low Benefit in Kind rates by virtue of its PHEV status and low CO₂ emissions. Comfort Lite and Comfort saloon variants emit 34 g/km, placing them in one of the lowest BIK bands in the C-segment; Boost saloon emits 52 g/km. BIK is calculated on the car's P11D value - the original list price, not the used purchase price. Speak with a tax adviser for a figure specific to your circumstances.
Can I Charge a Used BYD Seal 6 at Home?
Yes. All versions support AC home charging via a standard Mode 3 cable, and a 7kW home wallbox is compatible with every trim. Comfort Lite and Comfort add a 6.6 kW on-board charger and 26kW DC rapid charging - 30 to 80% in 23 minutes. For drivers without off-street parking, public charge points are supported across all trims.
