$1,089,367
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Class a motorhomes that share features with the Cornerstone Series 6 645D, like east west bed, king bed and rear bath.
The Tiffin Cornerstone Series 6 645D brings flagship-level power and refinement to the road with a 605 HP Cummins X15 diesel, steerable tag axle, independent front suspension, and adaptive safety technology. Inside, hydronic heating, residential-style systems, and Spyder touchscreen controls put comfort and coach management at your fingertips. Its 45-foot layout includes a full bath, while the insulated construction and ducted air cooling system help create a remarkably quiet, comfortable interior.
