Marc Basseng drove the Yangwang U9 Xtreme to 503.17 km/h on Abu Dhabi’s E11. The FIA recognised the speed and reported two single-direction Guinness records.
Yangwang’s domestic U9 Xtreme test disclosures leave the exact impact speed unresolved. The FIA-recognised 503.17 km/h run in Abu Dhabi is a separate result.