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2026 GRAND DESIGN LINEAGE SERIES M

Oklahoma City, OKDealerShowroom
Rv TypeClass C
Length25 ft
Fuel TypeDIESEL
Mileage1001 mi

Description

2026 Grand Design Lineage 25TK, Grand Design Lineage Class C Motorhome 25TK (2026) Mercedes-Benz Sprinter Diesel RV
Discover the Grand Design Lineage, a premium Class C motorhome built on the Mercedes-Benz Sprinter 4500 cab chassis. At 25 feet 8 inches in length, this diesel-powered RV offers nimble campground maneuverability without sacrificing livability. The bunk-over-cab design, combined with a thoughtful floorplan that includes Front Living Area, Mid Bath, Mid Kitchen, and a Rear Bedroom, makes it ideal for families and weekend explorers. A single slide-out expands the living space while preserving easy highway handling and diesel efficiency. The Lineage 25TK blends modern comfort with dependable performance for memorable road trips and adventures.
Key Specifications
  • Classification: Motorized RV (Class C)
  • Brand/Model: Grand Design Lineage
  • Type: Class C motorhome
  • Chassis: Mercedes-Benz Sprinter 4500 Cab Chassis
  • Engine: Twin-Turbo 2.0 L Inline 4 Cyl Diesel
  • Transmission: 9G-Tronic Automatic
  • Length: 25 feet 8 inches
  • Width: 7 feet 11 inches
  • Height: 11 feet 5 inches
  • Fresh Water Capacity: 36 gallons
  • Grey Water Capacity: 30 gallons
  • Black Water Capacity: 35 gallons
  • Bed Sleeps: 4
  • Slides: 1
  • Fuel Type: Diesel
  • GVWR: 12,125 lbs
  • Mileage: 1,001
  • Floorplan: 25TK
  • Floorplan Types: Bunk Over Cab, Front Living Area, Mid Bath, Mid Kitchen, Rear Bedroom
  • Year: 2026
  • Stock Number: 15496
  • New Status: Yes
Interior Comforts & Features
  • U-Shaped Dinette for group dining and entertaining
  • Day/Night Shades for privacy and light control
  • Microwave, Refrigerator, Stove Top Burner, Kitchen Sink
  • Water Heater for hot showers on the go
  • Shower and Toilet with Medicine Cabinet
  • Air Conditioning with 15,000 BTU capacity
  • Bunk Over Cab sleeping area and Rear Bedroom for versatile sleeping options
  • TV with Stereo System and Exterior Speakers
  • 1 Slide-Out to expand living space when parked
  • 1 Battery setup to support off-grid or dry camping scenarios
  • Safety features: CO Detector, Fire Extinguisher, LP Detector, Smoke Detector
Living Experience & Convenience
This Lineage 25TK offers a balanced, family-friendly layout that sim
RV details
Type
Class C
Condition
New
Length
25 ft
GVWR
12,125 lbs
Odometer
1,001 mi
Slide-outs
1
Sleeping capacity
4
Air conditioners
1
Water capacity
36 gal
Floor plan
LINEAGE SERIES M
Fuel type
DIESEL
Dealer stock ID
15496