Why would you dilute on-road any more? If you are looking for a starter class, look to VTA or USGT. You can get any used sedan chassis for a few dollars more. Remember you get back what you put in. That goes for both time and dollars spent.

Another option could be Tamiya Minis/HPI Cup Racers. This would be another class, but it is a class this raced at other local tracks.

Snowy.