Nearly a year after hitting 308.4 mph (496.22 km/h), BYD is preparing another run with the Yangwang U9 Xtreme.
The Chinese automaker aims to break through the 311 mph (500 km/h) barrier this November.
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BYD vice president Stella Li revealed the plan at the Goodwood Festival of Speed.
She confirmed the company will return to the Automotive Testing Papenburg proving grounds in Germany, where the previous record was set.
Data from last year's run shows driver Marc Basseng could have kept the throttle pinned for an extra 1.5 seconds.
The car began drifting out of the center lane at around 305 mph, forcing Basseng to lift off early.
With minor aero tweaks, BYD believes the car can stay stable at higher speeds.
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The U9 Xtreme is powered by a 1,200-volt electrical architecture and four electric motors producing 2,978 hp.
Global production is limited to just 30 units.
No standard production car has ever exceeded 311 mph.
While the U9 Xtreme surpassed the Bugatti Chiron Super Sport 300+'s one-way record of 304.77 mph, the SSC Tuatara holds the official two-way record at 282.9 mph.
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To claim that, BYD would need a location for runs in both directions.
