Used BYD Sealion 7 for Sale
The BYD Sealion 7 is a large, five-seat premium electric SUV that punches well above its price point - and buying used means accessing all of that capability for less. Whether you're drawn to the range-focused Comfort RWD, the all-weather performance of the Design AWD, or the full-spec Excellence AWD, there's a used BYD Sealion 7 to suit your journey.
As the fourth model in BYD's Ocean Series and one of the most generously equipped electric cars in its class, the BYD Sealion 7 arrives with a Blade Battery, up to 312 miles WLTP range, and fast DC charging across every trim. Buying a used example means all of that comes at a more accessible price - with much of the BYD's famous warranty likely still in place.
Vertu is the UK's leading BYD retailer, and our used BYD Sealion 7 stock is prepared and checked before it reaches you. Browse our used BYD cars with confidence.
Why Buy a Used BYD Sealion 7?
Used EV ownership has a compelling logic: someone else has already absorbed the steepest part of the depreciation curve, and you step into a nearly-new BYD electric car with years of manufacturer warranty remaining.
The BYD Sealion 7's 6-year manufacturer's warranty and 8-year battery and drive unit warranty are among the most generous in the segment. A Sealion 7 registered in 2024 or 2025 will still carry significant warranty coverage - and the Blade Battery itself is warranted to retain at least 70% state of health over that eight-year period. That's a meaningful backstop for any used buyer.
Road tax on a BYD Sealion 7 is £0 for zero-emission vehicles registered before 1 April 2025. From that date, new VED rules apply and EVs registered from April 2025 onwards are no longer exempt. Check the registration date of any used example, as this affects ongoing running costs.
With zero fuel costs on electricity alone and low servicing complexity inherent to electric vehicles, the total cost of ownership over time compares very favourably to an equivalent petrol or diesel SUV.
Who is the Used BYD Sealion 7 Best For?
Families who need a genuine five-seat SUV will find the BYD Sealion 7 hard to beat at used prices. The 2,930 mm wheelbase translates into rear-seat space that adults can actually stretch out in - not a compromise. The 520L boot, expandable to 1,789 litres with the rear seats folded, handles school runs, supermarket trips, and weekend breaks without a second thought.
Performance-focused drivers who want AWD capability will find the Design AWD and Excellence AWD trims offer 0-62 mph in 4.5 seconds and all-wheel drive - figures that sit comfortably alongside much more expensive rivals. Buying used puts that performance within reach of a wider budget.
Households making the switch to fully electric cars for the first time will appreciate the Sealion 7's straightforward charging setup. The standard 11 kW AC three-phase charging handles overnight top-ups at home, and rapid public charging via DC rapid charging keeps longer journeys manageable. The standard heat pump protects range in cold UK winters - a detail that genuinely matters day-to-day.
Those who want Sealion 7 range at a lower outlay are well served by the Comfort RWD trim, which offers up to 300 miles WLTP and the same core technology suite as the pricier variants. It's the sweet spot for buyers who prioritise range and running costs over outright performance.
Used BYD Sealion 7 Trims and Specifications
Three trims define the BYD Sealion 7 range, each with a different powertrain and a distinct used-market proposition. Every trim ships with a rich standard specification - the gaps between them are narrower than you might expect from a three-tier lineup.
The Comfort RWD is the natural choice for range-focused buyers on a tighter budget. It carries 82.5 kWh of usable capacity, returns up to 300 miles WLTP, and still includes the full 15.6" electrically rotatable touchscreen, Dynaudio 12-speaker sound system, panoramic sunroof, Vehicle-to-Load (V2L) function, and heated and ventilated front seats. At used prices it represents considerable value.
The Design AWD steps up to all-wheel drive, 20-inch alloys, and the iTAC torque-control system - worthwhile on a used budget for drivers who want all-weather confidence or the shorter 4.5-second 0-62 sprint. New, the Design AWD commands a meaningful premium over Comfort; used, the gap often narrows considerably.
The Excellence AWD is the flagship, adding a 91.3 kWh battery, 230 kW DC ultra-fast charging, Nappa leather seats, and a head-up display (HUD). Buyers who want the full BYD Sealion 7 experience - including 10-80% in 24 minutes DC charge times - at a used price will find the Excellence AWD compelling.
BYD Sealion 7 Trims and Specifications
| Feature |
Comfort RWD |
Design AWD |
Excellence AWD |
| Comfort & Convenience |
| Adaptive Cruise Control (ACC) |
✓ |
✓ |
✓ |
| Alloy Wheels |
19" |
20" |
20" |
| Android Auto & Apple CarPlay |
✓ |
✓ |
✓ |
| Blind Spot Detection (BSD) |
✓ |
✓ |
✓ |
| Electric Folding Mirrors |
✓ |
✓ |
✓ |
| Electric Opening Tailgate (kick-to-open) |
✓ |
✓ |
✓ |
| Keyless Entry & Push Button Start |
✓ |
✓ |
✓ |
| Parking Sensors (front & rear) |
✓ |
✓ |
✓ |
| Pre-Crash Prevention (AEB) |
✓ |
✓ |
✓ |
| Rain Sensors |
✓ |
✓ |
✓ |
| Rear Camera / 360� Camera |
✓ / ✓ |
✓ / ✓ |
✓ / ✓ |
| Vehicle-to-Load (V2L) Function |
✓ |
✓ |
✓ |
| Wireless Charging Pad (50W) |
✓ |
✓ |
✓ |
| Comfort & Style |
| Panoramic Sunroof with Electric Sunshade |
✓ |
✓ |
✓ |
| 15.6" Electrically Rotatable Touchscreen |
✓ |
✓ |
✓ |
| 10.25" Digital Instrument Panel |
✓ |
✓ |
✓ |
| Dynaudio 12-Speaker Sound System |
✓ |
✓ |
✓ |
| Head-Up Display (HUD) |
✗ |
✗ |
✓ |
| Seats |
Vegan Leather |
Vegan Leather |
Nappa Leather |
| Heated Seats (front & rear) |
✓ |
✓ |
✓ |
| Ventilated Front Seats |
✓ |
✓ |
✓ |
| Safety |
| Airbags (total) |
11 |
11 |
11 |
| ISOFIX / i-Size (3 anchor points) |
✓ |
✓ |
✓ |
| Child Presence Detection |
✓ |
✓ |
✓ |
| DiPilot 10 ADAS Suite |
✓ |
✓ |
✓ |
| Rear Cross-Traffic Alert & Brake (RCTA/RCTB) |
✓ |
✓ |
✓ |
| Forward Collision Warning (FCW) |
✓ |
✓ |
✓ |
| Warranty |
| Vehicle Warranty |
6 years / 93,750 mi |
6 years / 93,750 mi |
6 years / 93,750 mi |
| Battery Warranty (SOH ≥ 70%) |
8 years / 155,350 mi |
8 years / 155,350 mi |
8 years / 155,350 mi |
| Drive Unit Warranty |
8 years / 93,750 mi |
8 years / 93,750 mi |
8 years / 93,750 mi |
| Bodywork Anti-Corrosion |
12 years |
12 years |
12 years |
Source: BYD UK official specifications brochure (primary). Specifications subject to change - verify with your Vertu colleague before purchase.
Used BYD Sealion 7 Engines and Performance
Every version of the BYD Sealion 7 produces zero tailpipe emissions whilst driving. What matters to a used buyer is not just what those numbers are, but what they mean day-to-day - and how the battery technology holds up over time.
The Blade Battery uses lithium iron phosphate (LFP) chemistry. LFP cells degrade more slowly over charge cycles than the nickel manganese cobalt (NMC) alternatives used by many rivals. That makes the BYD Sealion 7's battery particularly well-suited to second ownership - you're buying into a chemistry designed for longevity, backed by an 8-year warranty.
The standard heat pump is a practical asset in the UK climate. It recovers waste heat from the drivetrain to warm the cabin and battery, which can preserve up to 20% more range in cold conditions compared to a resistive heater alone. In a UK winter that's a real difference - not a spec sheet footnote.
On AWD trims, the iTAC (Intelligent Torque Adaption Control) system manages torque distribution intelligently between front and rear axles. It's a genuine dynamic asset, not just a marketing term - particularly relevant on wet or slippery roads. Cell-to-Body (CTB) technology integrates the battery into the vehicle's structure across all trims, keeping the centre of gravity low and the chassis stiff.
The Excellence AWD trim's 230 kW DC ultra-fast charging capability stands out. A 30-80% charge in 18 minutes is among the fastest in class, and the 91.3 kWh battery returns up to 312 miles WLTP - the longest range in the lineup.
BYD Sealion 7 Engines and Performance
| Specification |
Comfort RWD |
Design AWD |
Excellence AWD |
| Powertrain |
| Battery Capacity |
82.5 kWh |
82.5 kWh |
91.3 kWh |
| Rear Motor Power |
230 kW / 312 PS |
230 kW / 312 PS |
230 kW / 312 PS |
| Front Motor Power |
✗ |
160 kW |
160 kW |
| Combined System Power |
230 kW / 312 PS |
390 kW / 530 PS |
390 kW / 530 PS |
| Torque (rear motor) |
380 Nm |
380 Nm |
380 Nm |
| Torque (combined AWD) |
✗ |
690 Nm |
690 Nm |
| Drive |
Rear-wheel drive |
All-wheel drive |
All-wheel drive |
| CTB Technology |
✓ |
✓ |
✓ |
| iTAC (Torque Control) |
✗ |
✓ |
✓ |
| Heat Pump |
✓ Standard |
✓ Standard |
✓ Standard |
| Performance |
| 0-62 mph |
6.7 seconds |
4.5 seconds |
4.5 seconds |
| Top Speed |
133 mph |
133 mph |
133 mph |
| Range & Charging |
| WLTP Range (combined) |
Up to 300 miles |
Up to 283 miles |
Up to 312 miles |
| DC Rapid Charging (max) |
150 kW |
150 kW |
230 kW |
| DC Charge Time (10-80%) |
32 minutes |
32 minutes |
24 minutes |
| DC Charge Time (30-80%) |
24 minutes |
24 minutes |
18 minutes |
| AC Charging (max) |
11 kW (3-phase) |
11 kW (3-phase) |
11 kW (3-phase) |
| Charging Port |
CCS2 |
CCS2 |
CCS2 |
| V2L Function (up to 3.3 kW) |
✓ Standard |
✓ Standard |
✓ Standard |
| Emissions |
| CO₂ Emissions (combined) |
0 g/km |
0 g/km |
0 g/km |
Source: BYD UK official specifications brochure (primary). WLTP figures are for comparison purposes. Real-world range will vary depending on driving style, conditions, and accessories.
Why Buy a Used BYD Sealion 7 from Vertu?
Vertu is the UK's leading BYD retailer - and that means something concrete when you're buying used.
Our used BYD cars go through a thorough preparation and inspection process before they're offered for sale. You're not buying blind; you're buying a checked, retailer-prepared vehicle backed by a franchised BYD dealer with the aftersales expertise to support your ownership.
Our colleagues know the BYD Sealion 7 range in detail - across trims, battery capacities, and the technology on board. If you have questions about remaining warranty coverage, charging setup, or which trim suits your needs, we'll give you a straight answer.
We're available nationwide, with BYD dealerships across the UK. And if you have a vehicle to trade in, our colleagues can discuss part-exchange options and help you understand its value as part of your purchase.
Find Your Used BYD Sealion 7 at Vertu
Browse our current stock of used BYD cars or find your nearest BYD dealership to book an appointment with one of our colleagues. For BYD Sealion 7 price information and current availability, contact us directly - we'll provide a personalised quotation based on your requirements.
Explore the full new BYD deals range if a new model is on your radar, or ask about BYD servicing to keep your electric vehicle running at its best.
Used BYD Sealion 7: Frequently Asked Questions
Is the BYD Sealion 7 Worth Buying?
Yes - particularly at used prices. The BYD Sealion 7 delivers a specification level that rivals electric cars costing significantly more brand new. Every trim includes the Blade Battery, 15.6" electrically rotatable touchscreen, Dynaudio 12-speaker sound system, panoramic sunroof, 360� panoramic camera, and Vehicle-to-Load (V2L) function as standard.
The 6-year manufacturer's warranty and 8-year battery and drive unit warranty carry over to subsequent owners, providing ongoing cover that many used EVs from other brands simply don't offer. Road tax is £0 for qualifying zero-emission vehicles. And with no fuel costs, the day-to-day running cost of the BYD Sealion 7 is genuinely low.
BYD Sealion 7 RWD or AWD - Which Should You Choose?
The Comfort RWD delivers up to 300 miles WLTP - the longest range of the 82.5 kWh trims - and its 230 kW rear motor is more than adequate for everyday driving. If range efficiency and running costs are the priority, it's the sensible pick.
The Design AWD and Excellence AWD add a second 160 kW front motor, bringing combined output to 390 kW and cutting 0-62 mph to 4.5 seconds. The iTAC (Intelligent Torque Adaption Control) system distributes torque between axles for noticeably better traction on wet or slippery roads - worth the step up for drivers who want all-weather confidence.
Towing capacity is also a differentiator: Comfort RWD is rated at 750 kg braked, while both AWD trims reach 1,500 kg - double the figure. If you plan to tow a trailer, caravan, or small boat, AWD is the only sensible choice. Note that towing capacity figures apply only when using an OEM-verified towbar � speak to one of our colleagues for details. The Design AWD returns 283 miles WLTP - slightly less than the Comfort RWD's 300 miles due to the additional motor and weight. The Excellence AWD's larger 91.3 kWh battery recovers that and more, reaching up to 312 miles WLTP.
How Much is Road Tax on a BYD Sealion 7?
Road tax (Vehicle Excise Duty, or VED) on a BYD Sealion 7 registered before 1 April 2025 is £0 per year. Zero-emission vehicles were fully exempt from VED under the rules in place at the Sealion 7's UK launch.
From 1 April 2025, new VED rules came into force. Electric vehicles registered on or after that date now pay the standard first-year rate, followed by the standard annual rate in subsequent years. When buying a used BYD Sealion 7, check the registration date carefully - vehicles registered before April 2025 will have different VED obligations to those registered after. Contact one of our colleagues for clarification if you're unsure.
Are BYD Cars Reliable in the UK?
BYD has more than 30 years of battery manufacturing experience and is the world's leading manufacturer of new-energy vehicles. That industrial scale matters: the Blade Battery's lithium iron phosphate (LFP) chemistry is specifically engineered for durability across thousands of charge cycles - with minimal capacity loss over time.
In the UK, BYD cars carry a 6-year manufacturer's warranty and an 8-year battery and drive unit warranty - cover that reflects the brand's confidence in its own engineering. The BYD Sealion 7 also benefits from over-the-air (OTA) software updates, keeping the car's systems current throughout ownership. Every used BYD at Vertu is prepared and inspected before sale by colleagues who know the model range. You're buying with the backing of the UK's leading BYD retailer and a franchised aftersales network.
