Engineering:BYD Seal 08

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Short description: Full-size sedan

BYD Seal 08
The BYD Ocean-S concept intoduced at Auto Shanghai 2025 directly previewed the Seal 08.
Overview
ManufacturerBYD Auto
Also calledBYD Ocean-S (concept)
Production2026 (to commence)
AssemblyChina
DesignerUnder the lead of Wolfgang Egger
Body and chassis
ClassFull-size sedan (E)
Body style4-door sedan
LayoutDual-motor, all-wheel-drive
Powertrain
Engine
Battery
  • 45.36 kWh LFP
  • 76.744 kWh BYD Blade LFP
  • 92.093 kWh BYD Blade LFP
Electric range
  • 270–300 km (168–186 mi) (PHEV, WLTP)
  • 775–905 km (482–562 mi) (EV, CLTC)
Dimensions
Wheelbase3,030 mm (119.3 in)
Length5,150 mm (202.8 in)
Width1,999 mm (78.7 in)
Height1,505 mm (59.3 in)

The BYD Seal 08 (Chinese: 比亚迪海豹 08; pinyin: Bǐyàdí Hǎibào 08) is an upcoming battery electric and plug-in hybrid full-size sedan to be produced by BYD Auto.

Overview

History

The Seal 08 was previewed by the BYD Ocean-S concept shown at the 2025 Shanghai Auto Show Its concept version was made to showcase BYD's future direction when it comes to designing their cars.[1] At BYD's Ocean Day on December 15, 2025, the Seal 08 was officially announced alongside the Sealion 08.[2] Teasers were shown on March 3, 2026.[3] The Seal 08 was officially unveiled on March 5, 2026, and will officially launch in the second quarter of 2026.[4]

Design

The Seal 08 retains most of the design of the Ocean-S concept that previewed it.[1] It utilizes a closed-off grille complimented by narrow headlights that weave at their base. Ambient lighting is incorporated into the air ducts on both sides. It uses a fastback silhouette.[5]

Features

The Seal 08 uses BYD's DiSus-A intelligent body control system that replaces traditional coil-spring suspension with air suspension as well as rear-wheel steering for enchanced maneuverability. Also included is the God's Eye B system that uses a LiDAR sensor.[5]

Powertrain

Battery electric

The Seal 08 EV is built on an 800-volt platform and uses the company's second-generation Blade lithium iron phosphate battery, available in either 76.7 kWh or 92.1 kWh capacities providing CLTC ranges of up to 785 km (488 mi) and 905 km (562 mi), respectively.[6] The Seal 08's Flash Charging compatibility allows it to add 249 miles (401 km) in 5 minutes of charging.[7] The all-wheel drive version outputs 644 hp (480 kW; 653 PS).[5]

Plug-in hybrid

The plug-in hybrid version of the Seal 08 uses a 1.5-liter turbocharged inline-4 petrol engine outputting 154 hp (115 kW; 156 PS) combined with a 268 hp (200 kW; 272 PS) electric motor. Energy is supplied by a 45.4 kWh LFP battery providing a pure electric WLTP range up to 300 km (186 mi).[6]

Specifications
Model Battery Power Electric range 0–100 km/h
(62 mph) 		Kerb weight
Type Weight WLTP CLTC
PHEV 45.36 kWh LFP 339 kg (747 lb) 275–300 km (171–186 mi)
EV 76.744 kWh BYD Blade LFP 539 kg (1,188 lb) 775 km (482 mi) 2,040 kg (4,497 lb)
EV Long Range RWD 92.093 kWh BYD Blade LFP 633 kg (1,396 lb) 905 km (562 mi) 2,160 kg (4,762 lb)
EV Long Range AWD 644 hp (480 kW; 653 PS) 785 km (488 mi) 3.3 sec 2,280 kg (5,027 lb)

See also

  • List of BYD Auto vehicles

References

  1. ↑ 1.0 1.1 Loo, Sean (April 25, 2025). "BYD Ocean Series Makes Waves at Auto Shanghai 2025". https://www.autoapp.sg/byd-ocean-series-makes-waves-at-auto-shanghai-2025/. 
  2. ↑ "BYD Teases Next-Gen Seal 08 and Sealion 08 Ahead of 2026 Launch". December 19, 2025. http://zecar.com/reviews/byd-seal-08-sealion-08-2026-launch. 
  3. ↑ "BYD Seal 08 to Make Global Debut on March 5". March 5, 2026. https://autonews.gasgoo.com/articles/ev/byd-seal-08-to-make-global-debut-on-march-5-2029149327191015425. 
  4. ↑ Zhang, Phate (March 5, 2026). "BYD debuts Seal 08 sedan, launch set for Q2". https://cnevpost.com/2026/03/06/byd-debuts-seal-08-launch-set-for-q2/. 
  5. ↑ 5.0 5.1 5.2 Miao, Liu (March 6, 2026). "BYD unveils Seal 08 flagship sedan with 1000km range target and Blade Battery 2.0". https://carnewschina.com/2026/03/06/byd-unveils-seal-08-flagship-sedan-with-1000km-range-target-and-blade-battery-2-0/. 
  6. ↑ 6.0 6.1 Li, Na (2026-05-11). "Error: no |title= specified when using {{Cite web}}" (in zh-CN). https://www.autohome.com.cn/news/202605/1314238.html#pvareaid=102624. 
  7. ↑ "BYD Seal 08 Officially Launched with a Range of More than 1,000 Km and Blade 2.0 Battery". March 6, 2026. https://voi.id/en/mobil/562764. 



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