Chinese electric vehicle startups Li Auto Inc. (NASDAQ:LI) and XPeng Inc. (NASDAQ:XPEV) reported September deliveries, registering gains on both year-over-year and month-over-month basis. The report comes a day ahead of bigger rival Tesla Inc. (NASDAQ:TSLA) is set to announce its global deliveries update. Li Auto: Beijing-based Li Auto said it sold 53,709 EVs in September and this marked a 48.9% increase from a year ago. On a month-over-month basis, sales climbed 11.61%. Third-quarter deliveries totaled 152,831 units compared to the 145,000-155,000-unit the company guided to in late August. “W…