2026 Keystone Fuzion for Sale

The Fuzion is Keystone's heavy-duty fifth-wheel toy hauler, sitting alongside the Raptor with an emphasis on garage capability and rugged hauling. It pairs a full residential-style living area with a reinforced rear garage and ramp door sized for side-by-sides, motorcycles, and ATVs, plus high cargo and fuel capacities for serious off-grid base-camping. Floor plans run roughly 39 to 44 feet on heavy tandem-axle frames with garages in the 12-to-14-foot range, most with an onboard fuel station, generator prep, and ramp-door patio capability. The living areas carry big slides, residential kitchens, and master suites comparable to Keystone's luxury fifth wheels. As with the Raptor, the appeal is combining real toy-hauler utility with full-size fifth-wheel living, but these are heavy, complex rigs that demand a one-ton dually for the bigger plans. Keystone's high-volume build means a thorough inspection of the frame, slides, garage tie-downs, roof, and seals is essential on any used unit, and the same brand-wide quality-control cautions apply.

Looking for a Keystone Fuzion for sale?

You're in the right place. We don't sell the Fuzion off a lot — we work for you, find the cleanest one on the market new or used, inspect it, and negotiate it. Below is everything you need to know before you shop: the real specs, every floor plan, the photos, what it tends to sell for, and a straight read on what owners love and what they grumble about.