if it an actually 4 wheeler your talking about i can't help you but a side by side is a 4 wheeler and the fastest in that is the polaris razar S it runs an 800 cc enigine auto tran 4wd and run the industry leading 63 mph
that impossible to answer but just think very fast one of the fastest if not the fastest punchers ever
The fastest person on record ran 23 mph
Mercury is the fastest.
the wind speed was very fast to fast for scientists
there all really fast
65-70 mph depending on the condition of the 4wheeler and the size of the rider.
fast as it needs to be.
Its fastest is 160mph
110
aprox. 35-45mph depending on make /yr and style.
1000kph
149mph
9000mph
225 mph
faster than the others
the yfz 450 is not that fastest quad, Its not far from the top but raptors have more top speed. there is no 250 that will stand up to a yfz 450 stock
The fastest mammal can go 65 mph (Cheetah)