I compliment you on your good taste in the KSDP. The GT has a larger weight carrying front IFS. The basement is also taller. The GT can go to 43' of coach. The GT has room for a 150 gallon fuel tank.
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours