New 2026 Grand Design Lineage Series M 25TK

This 2026 Grand Design Lineage Series M is listed at $163,488. The average Class C listing on TrueRVs is $141,417. Higher pricing may reflect lower mileage, better condition, or additional features.

The Lineage Series M is a Class C. It has 1 slide out for additional living space when parked. Class C motorhomes are mid-size drivable RVs built on a truck or van chassis, offering a balance of living space and drivability.

This Lineage Series M has 1 slide out, which extends the living area when parked. Slide outs add usable interior space but require regular seal maintenance.

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