2026 GRAND DESIGN LINEAGE SERIES M 25FW

2026 Grand Design Lineage 25FW Class C Diesel Motorhome

Discover the perfect combination of luxury, performance, and compact drivability with the 2026 Grand Design Lineage 25FW — a premium Class C diesel motorhome designed for travelers who want high-end comfort without sacrificing maneuverability.

Built on the trusted Mercedes-Benz Sprinter 4500 chassis, the Lineage 25FW delivers a smooth, confident driving experience powered by a 2.0L twin-turbo diesel engine (208 HP / 332 lb-ft torque) and a 9-speed automatic transmission.

At just 25’ 8” in length, this motorhome offers the ideal balance of easy handling and spacious interior living, making it perfect for both first-time RVers and seasoned travelers.


Spacious Interior with Residential Comfort

Step inside the Lineage 25FW and experience a thoughtfully designed layout featuring a full-wall slide, maximizing interior space for comfortable living and entertaining.

  • King-size bed (70” x 80”) for true residential sleep comfort
  • Bunk over cab for additional sleeping space
  • Theater seating + dinette for relaxing or hosting guests
  • Premium cabinetry, modern finishes, and smart storage throughout

With sleeping space for up to 4–5 people, this coach is ideal for couples or small families looking to travel in style.


Fully Equipped Kitchen & Bathroom

The 2026 Lineage 25FW features a fully functional kitchen designed for life on the road:

  • 10 cu. ft. 12V refrigerator
  • Cooktop, microwave, and deep sink
  • Seamless countertops and overhead storage

The bathroom includes a full shower, vanity, and toilet, offering the convenience of home wherever you travel.


Off-Grid Ready Power & Utilities

Stay off-grid longer with advanced power and water systems:

  • 600W solar system + lithium battery bank
  • 3.6kW generator for reliable backup power
  • Tankless water heater for endless hot water
  • 35-gallon fresh water capacity

Designed for extended adventures, the Lineage 25FW ensures you’re ready for boondocking, road trips, and full-time RV living.


Exterior Features & Build Quality

  • 16’ power awning for outdoor living space
  • Sleek, modern exterior with frameless windows
  • Durable construction with premium Grand Design quality
  • Compact footprint for easier parking and campsite access
Location Nacogdoches, TX
Condition NEW
Status AVAILABLE
Stock # GD344885
Year 2026
Make Grand Design
Model Lineage Series M
Trim 25FW

Specifications

General
Class Class C
Number Of Axles 2
Length (FT/IN) 25' 8"
Total Gray Water Tank Capacity (GAL) 34
Number Of Slideouts 1
Max Sleeping Count 4
Water Heater Tank Capacity (GAL) Tankless
Solar Battery Charger Yes
Payload Capacity (LBS) 3,500 lbs
Dry Weight (LBS) 2,432 lbs LBS
Mileage 0
Vin W1X9N33Y6SN344885
Other Specifications
Cylinders 4
Horsepower (BHP) 208 hp @ 3,800 RPM
Torque (FT LBS) 332 ft-lbs. @ 1,400 RPM
Fuel Type Regular
Turbocharged Yes
Supercharged No
Chassis Model 4500
Chassis Brand Mercedes-Benz Sprinter
Overdrive Yes
Transmission Brand Mercedes-Benz
Wheels Composition Steel
Front Brake Type Hydraulic Disc
Rear Brake Type Hydraulic Disc
Width (IN/MM) 7.92 ft. (95 in.)
Wheelbase (IN/MM) 14.17 ft. (170 in.)
Gross Weight Rating (LB/KG) 12,125 lbs. LBS
Seat Material Vinyl
Reclining Seats Yes
Swivel Seats Yes
Number Of Seats 2
Body Material Aluminum
Number Of Doors 1
Power Retractable Slideout Yes
Power Retractable Awning Yes
Kitchen Table Configuration None
Kitchen Location Center
Living Area Location Front
Number Of Oven Burners 2
Overhead Fan Yes
Layout Oven / Stove
Refrigerator Power Mode Electric
Number Of Bunk Beds 1
Number Of Double Beds 0
Number Of Full Size Beds 0
Number Of Queen Size Beds 0
Number Of King Size Beds 1
Number Of Convertible Sofa Beds 0
Bunkhouse No
Number Of Bathrooms 1
Bathroom Flooring Type Vinyl
Bathroom Location Rear
Air Conditioning Prewiring Yes
Cable Prewiring Yes
Phone Prewiring No
Heat Prewiring Yes
TV Antenna Prewiring Yes
Satellite Prewiring Yes
Washer/Dryer Prewiring No
Number Of Emergency Exits 1
Driveline Type 4X2
Air Conditioning Type Automatic
Heater Type Automatic
Water Heater Tank Bypass No
Number Of Televisions 2
Rear Video Backup Camera Yes
Water Heater Tank Yes
Shower Rear
Toilet Rear
Interior Height (IN) 6.75 ft. (81 in.)
Heater 30,000 BTUs
Air Conditioning 15,000 BTUs
Fuel Capacity (GAL) 24.5 gal.
Height Closed (IN) 11.42 ft. (137 in.)
Height (IN) 0


Come Experience the Rocky Ridge RV Difference!

When you step into Rocky Ridge RV, you'll quickly realize that we stand out from the crowd in the RV industry. We are dedicated to providing you with an exceptional experience, and here's why we're unlike any other:

No Surprise Costs: At Rocky Ridge RV, we believe in transparency. That's why we proudly offer no prep fees, no destination fees, and absolutely no hidden charges of any kind. When you shop with us, you can trust that the price you see is the price you pay. We're committed to ensuring you have complete clarity about your RV purchase.

Battery Included: We go the extra mile to ensure your RV is ready for adventure right from the start. That's why we include your battery in the price, at no additional cost. We're not about nickel-and-diming you; we're about providing you with an RV that's ready to hit the road when you are.

Tailored to Your Needs: Your RV experience should be a reflection of your desires and requirements. At Rocky Ridge RV, we take the time to understand your specific wants and needs. Our dedicated team is focused on ensuring you find the RV that perfectly matches your lifestyle, whether you're a seasoned traveler or a first-time RVer.

So, if you're seeking an RV dealer that values transparency, includes essential features without extra charges, and is genuinely dedicated to your satisfaction, look no further. Come visit us at Rocky Ridge RV and come experience the difference for yourself. Your journey towards RV ownership starts here, with the peace of mind you deserve.

*Rocky Ridge RV makes every effort to be accurate in all of our listings, however, sometimes errors may occur. Please contact the dealership to verify the availability of the RV, as well as the accuracy of any features shown in the listing.



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