2023 BYD Seal (BYD Atto 4) in-depth Walkaround

1 just 1-minute car video😉

The BYD Seal (to be called the BYD Atto 4 overseas including Australia) is part of the brand’s ‘Ocean’ series of future EVs. It will go on sale in export markets likely in early 2023.

The BYD Seal is for customers who are on the market for a high-tech mid-size electric sedan like the Tesla Model 3 but with more affordable pricing. It’s also an attractive option against the electric SUVs like the Tang and the Yuan Plus (Atto 3) for customers who seek the comfort and driving dynamics of a sedan. The pricing is also such that it seems a cheaper alternative to the brand’s own mid-size electric SUV.

The BYD Seal offers premium seating for five occupants with sporty seats featuring ample side bolstering in the front and a luxurious bench in the back. Light blue dominates the interior, in line with the ocean theme of the model family, and the white seats feature light blue piping for a contrasting look. The door handles are shaped like a shell, and the Alcantara usage adds to the cabin’s premium appeal. Customers can load the luggage into the boot, which has a flat floor, comfortably, thanks to a low loading lip and a wide aperture.

The Seal is BYD’s first model to feature CTB (cell-to-body) battery technology. Integrating the battery into the body allows applying the sandwich structure, previously used for the battery pack, in the vehicle itself. The top cover of the battery pack is integrated into the floor of the vehicle’s body. CTB has led to a 100% increase in torsional stiffness (compared to conventional designs) – 40,000+ Nm/°.

The CTB layout has allowed raising the height of the chassis, which means the car is less prone to being damaged by bumps. Plus, the volume utilization is also better – 66%. Lastly, in case of a side collision, the higher stiffness should protect the car more.
Two battery pack capacity options are available to BYD Seal customers in China: 61.4 kWh and 82.5 kWh. The charging power (DC), depending on the configuration, is either 110 kW or 150 kW. The 30-80% charging time may not take more than 30 minutes.

The 61.4 kWh battery pack is available in two 150 kW (201 hp) single-motor RWD configurations that deliver a range of 550 km (342 miles). A 0-100 km/h (0-100 km/h) sprint takes 7.5 seconds in the base variant. 110 kW is the maximum DC charging power, and in the peak rate, charging from 30 to 80% SoC takes 30 minutes.

The 82.5 kWh battery pack delivers a CLTC range of 700 km (435 miles) in a 230 kW (308 hp) single-motor RWD configuration and 650 km (404 miles) in a 390 kW (523 hp) dual-motor AWD configuration. The mid-range variant can accelerate from 0 to 100 km/h (0 to 62 mph) in 5.9 seconds, while the top-end variant can accomplish the same in just 3.8 seconds. These configurations allow DC fast-charging at up to 150 kW, but a 30-80% top-up takes the same time – 30 minutes.

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