11 listings from 7 dealers nationwide. Prices range from $92,997 to $150,061. Median price is $119,995.
The 2026 Grand Design Foundation is currently available from 7 dealers on Searchshop with 11 active listings. Prices range from $92,997 to $150,061. Median price is $119,995. The 2026 Grand Design Foundation is nearly new, so most examples will still carry meaningful factory or extended warranty coverage.
Asking prices show a moderate spread, typical for this model year — pay attention to mileage and condition when comparing listings.
Inventory is concentrated across Montana, California, Pennsylvania, so buyers in those regions will find the most local options.
Confirm the original factory warranty is intact and transferable, request the original window sticker, and verify any recall work has been completed at a Grand Design dealer.
