I once drove an almost identical Vanhool Double Decker powered by a marine spec Mercedes turbocharged V8 engine.
It flew when empty and was still a rocket when loaded with 85 passengers!
Had many adventures in the 12+ months I worked for “Tracks UK/Europe”
Had to sign a secrecy agreement with a government organisation on a few occasions, drive to Ascot and parked on the infield, etc.
Drivers seat was in the crumple zone!
Glad to have moved on to working for a better company the following year’s.