Consider going to the Newmar site, download and print the brochures for these 2 year's of KA. One could compare the coaches side by side. However, be aware Newmar allows considerable customization of the KA. KA owners take advantage of this to make their KA, their unique KA.
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
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Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours