Overview

• The run was conducted on September 14 at Germany’s ATP Automotive Testing Papenburg, where the 308.4 mph figure was certified on the straight track.
• The speed surpasses the previous 490.484 km/h benchmark set by the petrol-powered Bugatti Chiron Super Sport 300+ in 2019.
• German racer Marc Basseng drove the U9 Xtreme and praised its stability at full speed, citing the steady delivery of electric power.
• Yangwang credits a high‑discharge LFP Blade battery, four ultra‑high‑speed motors delivering about 3,000 bhp, revised DiSus‑X suspension and semi‑slick tyres for the result.
• BYD executive Stella Li called the achievement a proud moment for the development team and highlighted that the fastest production car is now electric.