2027 JAYCO
SENECA
Super C Diesel Motorhome
New & Used Jayco Seneca RVs For Sale
The 2027 Jayco Seneca delivers the power and capability of a diesel Super C with the comfortable interior expected from a luxury motorhome. Built on the Freightliner S2RV Plus chassis and powered by a Cummins ISB 6.7L 360 HP diesel engine with 800 lb.-ft. of torque, the Seneca is designed for long-distance travel and serious towing capability. Its 100-gallon fuel tank provides extended driving range, while the JRide Premium ride and handling package combines a computer-balanced driveshaft, rear air suspension, heavy-duty stabilizer bar and SACHS shocks for a smooth, controlled ride.
Inside, the Seneca delivers a residential-inspired environment with premium amenities, spacious living areas and multiple sleeping configurations. The 2027 lineup also introduces new interior design packages with fabric and cabinetry choices, allowing owners to personalize their coach. Visit North Trail RV Center in Fort Myers, Florida, to explore the 2027 Jayco Seneca and experience the power and luxury of a premium Super Class C.
Floor Plans
33J
37K
37L
37M
Finishes & Décors
Exterior
Trinity Black Paint Option
Golden Eclipse Paint Option
Midnight Shadow Paint Option
Ocean Blue Paint Option
Starlight Silver Paint Option
Décor
Beachwood Interior
Oakmont Interior
Finishes
Stonewall
Country Linen
2027 Jayco Seneca Features
The 2027 Jayco Seneca combines diesel performance, substantial towing capability and luxury amenities in a premium Super C motorhome. Built on the Freightliner S2RV Plus chassis, the Seneca is powered by a Cummins ISB 6.7L 360 HP diesel engine and features a 100-gallon fuel tank designed to provide extended driving range between fuel stops. Jayco’s JRide Premium ride and handling package includes a computer-balanced driveshaft, rear air suspension, heavy-duty rear stabilizer bar and SACHS shocks. These components work together to reduce vibration and body roll while helping provide a smoother, more comfortable ride.
The Seneca’s interior is designed to feel more like home, with spacious living areas, premium cabinetry and comfortable accommodations for extended stays. Multiple floor plans provide different configurations for couples and families, with options for additional sleeping space and generous living areas. The combination of a powerful diesel chassis, large fuel capacity, luxury interior and JRide Premium handling makes the Seneca a capable choice for long-distance travel, full-season adventures and RVers who want the performance of a Super C without giving up comfort.
Media Gallery
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Jayco Seneca Inventory in Fort Myers, Florida
2026 Jayco
Seneca 37K
Condition: New
Status: RV for sale
Fuel: Diesel
Floor Plan: 37K
$383,559
$239,900
2026 Jayco
Seneca 37M
Condition: New
Status: RV for sale
Fuel: Diesel
Floor Plan: 37M
$396,759
$239,900
2026 Jayco
Seneca 37L
Condition: New
Status: RV for sale
Fuel: Diesel
Floor Plan: 37L
$383,341
$239,900
2027 Jayco Seneca FAQs
What engine does the 2027 Jayco Seneca use?
The 2027 Jayco Seneca is powered by a Cummins ISB 6.7L diesel engine producing 360 horsepower and 800 lb.-ft. of torque.
What chassis is the Seneca built on?
The 2027 Seneca is built on the Freightliner S2RV Plus chassis.
How large is the Seneca's fuel tank?
The 2027 Jayco Seneca features a 100-gallon fuel tank designed for extended travel between fuel stops.
What is Jayco JRide Premium?
JRide Premium is Jayco’s upgraded ride and handling package, incorporating components such as rear air suspension, SACHS shocks, stabilizer bars and a computer-balanced driveshaft.
Is the Jayco Seneca good for towing?
Yes. The diesel-powered Super C platform provides the strength and capability needed for substantial towing.
Is the Seneca suitable for full-time or extended RV travel?
The Seneca's spacious floor plans, diesel performance, large fuel capacity and residential-style interior make it well suited to extended RV adventures.
Where can I shop for a 2027 Jayco Seneca?
Visit North Trail RV Center in Fort Myers, Florida, to explore the 2027 Jayco Seneca and discover available floor plans, features and inventory.
