New 2026 Jayco Seneca XT 29T

This 2026 Jayco Seneca Xt is listed at $156,615, which is in line with the average for Class C RVs on TrueRVs.

The Seneca Xt is a Class C. It measures 30 feet in length. Class C motorhomes are mid-size drivable RVs built on a truck or van chassis, offering a balance of living space and drivability.

This Seneca Xt measures 30 feet, a mid-size length that balances living space with maneuverability.

This Seneca Xt runs on diesel. Diesel motorhomes typically offer better torque and fuel efficiency for heavy vehicles, though diesel fuel and maintenance costs can be higher.