2026 JAYCO SENECA XT SUPER C DIESEL Motorhome

JAYCO SENECA XT New & Used RVs For Sale

Rev Up Your Next Adventure

Experience rugged capability, unmatched comfort, and bold style in the all-new 2026 Jayco Seneca XT. Built on a heavy-duty Freightliner S2RV chassis and powered by a beastly 360 HP Cummins diesel engine, this Super C motorhome is engineered for serious road warriors. With aggressive XT styling, extra exterior pass-through storage, and enhanced towing capacity, the Seneca XT is your ideal partner for off-grid exploration and cross-country road trips.

Inside, modern residential décor, premium cabinetry, solid-surface countertops, and luxurious furnishings create a welcoming retreat on the road. Slide-outs expand the living space, while upgraded tech—including a full infotainment suite, smart lighting, and advanced driver-assist features—ensures comfort and safety. Whether you're towing an ATV, setting out for the weekend, or embarking on a multi-state journey, the 2026 Seneca XT gives you the freedom and confidence to go further.

Gear up for your most rugged—and refined—adventures yet with the 2026 Jayco Seneca XT Diesel Motor Coach. Visit North Trail RV Center in Fort Myers, Florida, to explore floorplans and experience this powerhouse Super C motorhome in person. Let the journey begin!

Incredible Features

The 2026 Jayco Seneca XT is built for RVers who want serious off-grid capability without sacrificing the luxury and comfort of a Super C motorhome. With its aggressive exterior styling, enhanced suspension, and heavy-duty build, the Seneca XT is ready to tackle rugged terrain and remote destinations. Powered by a 360HP Cummins® ISB 6.7L turbo diesel engine on the Freightliner® S2RV chassis, this coach combines brawn and sophistication for the ultimate adventure vehicle.

Step inside the Seneca XT and you’ll find a refined interior built to withstand the elements while offering top-tier comfort. With residential vinyl flooring, solid-surface countertops, modern cabinetry, and premium furniture, the XT delivers a stylish yet durable living space. The living area includes theater seating, an LED smart TV, and a spacious layout enhanced by multiple slide-outs. The fully equipped kitchen features a residential refrigerator, convection microwave, and induction cooktop, while the rear bedroom includes a king bed and generous storage options.

The 2026 Seneca XT is fully equipped for extended boondocking and long-distance travel. Standard features include a 2,000W inverter, 8.0kW Onan® diesel generator, 200W solar panel with dual controller, and the Aqua-Hot® 250D hydronic heating and water system. Jayco’s Firefly Total Coach Control system gives you fingertip control over your RV’s functions, while advanced insulation and dual A/C units with heat pumps keep you comfortable in any climate.

If you’re looking for a motorhome that’s as bold and capable as your spirit of adventure, the 2026 Jayco Seneca XT delivers. Visit North Trail RV Center in Fort Myers, Florida, to tour this powerful Super C diesel coach and let our expert team help you find the floor plan that fits your off-grid lifestyle.