The former "Tonight Show" host was riding his car with legendary drag racer Bob Riggle when the accident happened, reported Aceshowbiz.
Leno, 66, was behind the wheel when his car jolted and flipped several times before landing on its wheels. The two men were shaken but escaped the crash uninjured.
"That was certainly exciting, It doesn't get more exciting than that. I actually do stuff like this every week. That's why Ihave so many cars. I roll half of them half the time." he joked.