I believe this is the case in Switzerland. There are multipliers for certain cars as well - sports cars pay an additional penalty. Everyone was driving EXACTLY

I believe this is the case in Switzerland. There are multipliers for certain cars as well - sports cars pay an additional penalty. Everyone was driving EXACTLY the speed limit. I was warned not to go more than a few km/h over the limit. A doctor friend happened to be a driving his new Porsche through there and got dinged something like 5000 Euros. Oops!