Who are BYD?
BYD (Build Your Dreams) is a Chinese multinational technology company best known for its leadership in electric vehicles and renewable energy solutions. Founded in 1995 and headquartered in Shenzhen, BYD began as a rechargeable battery manufacturer before expanding into automobiles, buses, trucks, and energy storage systems. Today, it is one of the world’s largest producers of electric vehicles, competing globally with major automakers while also supplying batteries, semiconductors, and solar technology. BYD’s vertically integrated approach, designing and manufacturing many of its own components has helped it innovate rapidly and support the global transition toward cleaner, more sustainable transportation and energy use.
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What are the Designs and Dimensions of BYD’s SEAL & SEALION 7?
The BYD SEAL embodies the characteristics of a modern electric saloon, featuring a streamlined design that emphasises aerodynamics and efficiency. Its sleek profile and elegant lines cater to those seeking a traditional yet futuristic saloon experience.
In contrast, the BYD SEALION 7 is designed as a mid-size electric SUV, offering a more commanding presence on the road. Measuring 4,830 mm in length, 1,925mm in width, and 1,620mm in height, with a wheelbase of 2,930 mm, the SEALION 7 provides ample interior space and a higher driving position, appealing to consumers who prioritise versatility and a more robust aesthetic.

Performance and Powertrain of BYD’s SEAL & SEALION 7
The BYD SEAL offers various powertrain configurations, including rear-wheel drive (RWD) and all-wheel drive (AWD) options, catering to a range of performance preferences. Specific power outputs and acceleration figures vary, providing flexibility for buyers.
The SEALION 7 also offers multiple configurations:
- Comfort RWD: equipped with a single electric motor producing 230 kW (approximately 308 horsepower), this variant accelerates from 0 to 62mph in 6.7 seconds.
- Design AWD: features a dual-motor setup with a combined output of 390kW (approximately 523 horsepower), achieving a 0 to 62mph time of 4.5 seconds.
- Excellence AWD: shares the powertrain with the Design AWD but includes additional features and a larger battery for extended range.
Battery and Range in BYD’s SEAL & SEALION 7
The BYD SEAL is equipped with BYD's Blade Battery technology, known for its safety and durability. The battery capacity and corresponding range vary depending on the selected model and configuration, offering options to suit different driving needs.
The SEALION 7 utilises BYD's Blade Battery with two capacity options:
- 82.5 kWh Battery: Available in the Comfort RWD and Design AWD models, offering a WLTP range of up to 300 miles for the RWD variant and 283 miles for the AWD variant.
- 91.3 kWh Battery: Exclusive to the Excellence AWD model, providing an extended WLTP range of up to 312 miles.
BYD’s Charging Capabilities
Both the SEAL and SEALION 7 support AC and DC charging, with the specifics depending on the model and battery configuration. The SEALION 7 offers:
- AC Charging
- DC Fast Charging
- Comfort RWD and Design AWD
- Excellence AWD

Interior Features and Technology Included in BYD Cars
The BYD SEAL's interior focuses on modern design and technology, offering features like a digital instrument cluster, infotainment system and premium materials, depending on the trim level. The SEALION 7 emphasises luxury and advanced technology:
- Display: a 15.6-inch rotating touchscreen infotainment system compatible with Android Auto and Apple CarPlay, complemented by a 10.25-inch digital instrument cluster.
- Audio: a 12-speaker Dynaudio system delivers a premium sound experience.
- Comfort: features include ventilated and heated front seats, heated rear seats, a panoramic sunroof with an electric sunshade and customisable ambient lighting with 128 colors.
- Materials: the Excellence AWD model offers Nappa leather upholstery for an enhanced luxury feel.
Safety and Driver Assistance in both the BYD SEAL & SEALION 7
Both models are equipped with a suite of safety and driver-assistance features. The SEALION 7 includes BYD’s Advanced Driver Assistance Systems (ADAS) and a 360-degree panoramic camera system, offering features such as adaptive cruise control, lane departure warning, front and rear cross-traffic alerts and blind-spot detection. The BYD SEALION 7 also features the latest iTAC technology which minimises or eliminates skidding.

Pro’s & Con’s: BYD Seal vs SEALION 7
BYD SEAL | BYD SEALION 7 |
❤️ Sporty EV performance - brisk acceleration and confident driving. | ❤️ Spacious Coupe SUV EV - ideal for families and groups. |
❤️ Sleek fastback design - aerodynamic and distinctive. | ❤️ Smooth electric performance - responsive EV powertrain. |
❤️ Modern tech and features - intuitive digital interface | ❤️ Versatile cabin layout - good mix of comfort and cargo space. |
ℹ️ Low sports stance - slightly lower seating position than SUVs. | ℹ️ Larger EV footprint - best suited to open roads. |
ℹ️ EV charging planning - long trips depend on network access. | ℹ️ Charging planning enhances long trips |
ℹ️ Awkward air-con and vent controls | ℹ️ Driver assistance systems can be complex |
Pros and Cons of the BYD Seal & Sealion 7
What You'll Love
- Both sporty EVs
- Spacious SUV body in Sealion 7
- Seal has a sleek fastback aerodynamic design
Good to Know
- Low sports stance in Seal
- Larger EV footprint in Sealion 7
- EV charging planning - long trips depend on network access
Buy the SEAL or SEALION 7 from Swansway Today
Both the BYD SEAL and the SEALION 7 represent BYD’s commitment to innovation in the EV sector. The SEAL offers a dynamic and efficient saloon experience, while the SEALION 7 provides the spaciousness and power of a premium electric SUV. Ultimately, the choice comes down to personal preference - whether you favor the agility of a saloon or the practicality of an SUV. Take a look at our BYD range today and let the team know if you have any questions or would like to know more. If you’re unsure what you're looking for or would like more information about one of the vehicles you see on our website, don’t hesitate to get in touch with one of our team and we’d be happy to help you.
