New 2026 Grand Design Lineage Series M 25TK Motor Home Class C - Diesel

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2026 25TK Features and Options

Grand Design Lineage Series M Class C diesel motorhome 25TK highlights:

  • Twin to King Bed Setup
  • 16' Awning
  • Full Bath with new shower technology 
  • Power Theater Seating
  • Pantry

 

Head to your local state park or across the states in this spacious coach. Once you arrive at your destination, you can prepare a meal with the full kitchen amenities, including a cooktop, microwave oven, and a refrigerator. The power theater seating provides a place to relax, or you can choose the optional booth dinette if you need additional sleeping space. A full bath will let you clean up after a day outdoors, and the 70" x 80" king bed within the full-wall slide is sure to bring comfort. This model also includes a pantry beside the theater seats for snacks and a bedroom wardrobe to keep your clothes wrinkle-free!

 

Grand Design's first motorized coach, the Lineage Series M is coming to you with luxurious features at a great value. This Class C diesel motorhome sits on a Mercedes-Benz sprinter chassis for quality and performance you can trust. True to Grand Design's foundation, the Lineage includes interior comforts, durable construction, innovative features, and attention to detail. The Series M Package includes natural teak wood grain, a Lineage Suspension Package, and more. There is also a Blackout Package with black aluminum wheels, a Chromeout Package with chrome aluminum wheels, plus additional packages to enhance your travel experience!

What Our Customers Are Saying

Great Experience

Awesome experience. Shawn was great and super helpful, very knowledgeable and made things very easy and quick. - Christopher
 
Nashville RV
Location: Franklin, TN
Stock# SGD71025
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 3001719#
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2026 25TK SpecificationsShow Definitions
Sleeps 3
Slides 1
Length 25 ft 8 in
Ext Width 7 ft 11 in
Ext Height 11 ft 5 in
Int Height 6 ft 8 in
Interior Color dove
Exterior Color midnight slate
GVWR 12125 lbs
Fresh Water Capacity 35 gals
Grey Water Capacity 34 gals
Black Water Capacity 34 gals
Tire Size LT215/85 R16DRW
Furnace BTU 30000 btu
Fuel Type Diesel
Engine Twin Turbo 2.0L Inline 4 Cylinder
Chassis Mercedes-Benz Sprinter 4500
Horsepower 208 hp
Fuel Capacity 24.5 gals
Wheelbase 170 in
Number Of Bunks 1
Available Beds King
Torque 332 ft-lb
Refrigerator Type 12V
Refrigerator Size 10 cu ft
Shower Size 24" x 34"
Number of Awnings 1
Axle Weight Front 4630 lbs
Axle Weight Rear 7934 lbs
LP Tank Capacity 20.30 lbs.
Water Heater Type Tankless
AC BTU 15000 btu
Awning Info 16'
Gross Combined Weight 15249 lbs
Shower Type Standard
For more information Contact Us

Lineage Series M 25TK Reviews

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