From what I've seen in NP streams, none of their cars seem to go over 150mph or if they do, not by much. Maybe I didn't take a good enough look but our speeds at the moment are higher than theirs. In NP's patch notes from 8 months ago they mentioned making all vehicles handling default stats. They've made some "balancing" changes to vehicles over the 8 months but nothing seems to indicate (at least from what I've seen) their speeds going beyond default or as high as ours. If you want to talk about acceleration I can't tell you what theirs has but maybe they're default and because some of our vehicles' acceleration has been reduced (for a number of reasons) it seems like theirs is much quicker. Sadly there's not just 1 value for "acceleration" in the handling file, there's several values that would go into effecting overall acceleration so it would require a good bit of testing if it were something we actually needed.