F1 vs Cinque.
Mostly depends on the DRIVER itself. The cars are pretty same.
The only differences are:
-F1 has better handling tbh.
-F1 has better landing on jumps, in other words it dosen't loose too much speed on landings.
-Cinque has slightly better acceleration
-Cinque has slightly better cosmic nos, yes with full "SuperShot" and "Extended NOS" it reaches its TOP SPEED (Full Ultra taken in this fact) from 0kmh.
Top Speed of these cars is the same (Full Ultra G-G-G-R-R-R) and that is 405kmh.
So it all comes to your driving style, both cars are good, only driver is most important here, if you got skills, and you have F1, you gonna win in races, that's for sure. Same goes to Cinque.