for Sale
Asking prices are tightly clustered, suggesting a stable resale market — there is little room to negotiate based on comparables alone.
The 2026 Keystone 3900rk is currently available from 12 dealers on Searchshop with 12 active listings. Prices range from $117,999 to $131,899. Median price is $127,299. The 2026 Keystone 3900rk is nearly new, so most examples will still carry meaningful factory or extended warranty coverage.
Where to Find One
Inventory is concentrated across South Carolina, Minnesota, Tennessee, so buyers in those regions will find the most local options.
Buyer Tip
Confirm the original factory warranty is intact and transferable, request the original window sticker, and verify any recall work has been completed at a Keystone dealer.
