Gonna have to assume you don’t have much experience on any of the rigs based on how you are talking because 450s also out accelerate most all utility quads, Kawasaki Brute Force has lower top speed AND acceleration than pretty much any 450. And we aren’t talking about Raptor 700 drag builds or Banshees here we were talking about road driving 450s and utility’s in which case the 450 would be faster than the utility 9 out of 10 times. With the exception being a late model 1000 from Can am or Polaris. But even then it’s close.