The BYD SEAL U SUV PHEV 1.5 DM-i Boost is the entry-level variant of BYD's first plug-in hybrid (PHEV) for the UK market. It combines a 1.5-litre petrol engine with an electric motor to provide a front-wheel-drive experience that prioritises efficiency and high equipment levels.
Key Specifications: Boost Trim
Powertrain: 1.5-litre petrol engine + single electric motor (Front-Wheel Drive).
Power Output: 218 PS (approx. 215 bhp).
Performance: 0–62 mph in 8.9 seconds with a top speed of 105 mph.
Battery & Range:
18.3 kWh "Blade" battery.
Electric-only range: Up to 50 miles (WLTP).
Total combined range: Up to 621 miles.
Standard Features & Interior
Despite being the base trim, the "Boost" model is highly specified with technology that often costs extra on premium rivals:
Rotating Touchscreen: A signature 15.6-inch electrically rotatable central infotainment screen.
Comfort Tech: Heated and ventilated front seats, heated steering wheel, and a panoramic sunroof.
Audio & Connectivity: 10-speaker Infinity sound system, wireless Apple CarPlay/Android Auto, and dual wireless phone chargers.
Practicality: 425-litre boot (expanding to 1,440 litres) and Vehicle-to-Load (V2L) capability to power external devices from the car battery.
Safety & Driver Assistance
The Seal U earned a 5-star Euro NCAP rating (2023) and includes a comprehensive suite of standard safety aids:
360-degree camera system and front/rear parking sensors.
Adaptive Cruise Control and Intelligent Cruise Control.
Forward and Rear Collision Warning with Automatic Emergency Braking.
Lane Keep Assistance, Blind Spot Detection, and Rear Cross Traffic Alert.