At least a further three people were hospitalised, including a passenger from the Maserati.
A tourist who witnessed the aftermath of the crash told KLAS-TV that the burning taxi looked like a fireball.
More people may be hurt, Sergeant Sheahan said.
It is the latest in a series of violent actions on the tourist corridor since the beginning of the year. Two people were critically wounded in a shooting at a parking garage 6th February, and a tourist was stabbed in an elevator at The Hotel at Mandalay Bay ten days later.
More top news
Entertainer made a blind woman feel "completely and utterly trapped" when he assaulted her in hospital bedroom, a court has been told.
A Border patrol on the frontier that separates Texas from Mexico hopes Donald Trump will keep his vow to tackle illegal immigration.
Donald Trump has urged the UK to "look at" ex-MI6 agent Christopher Steele to see if he was behind the controversial 35-page document.