2026 Grand Design Lineage Series M 25FW

New Class C in Corinth, Texas, 76210

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New 2026 Grand Design Lineage Series M 25FW available in Corinth, Texas

2026 Grand Design Lineage Series M 25FW - New Class C For Sale by McClain's RV Superstore in Corinth, Texas features Power Awning, Insulated, Power Entrance Step, King Size Bed, Day/Night Shades

2026 Lineage Series M 25FW by Grand Design from McClain's RV Superstore in Corinth, Texas

Unit Specs

Stock #16164
Year2026
ManufacturerGrand Design RV
Make Grand Design
ModelLineage Series M
Floorplan25FW
Floorplan LayoutBunk Over Cab
Front Living Area
Full Wall Slide
Mid Kitchen
Rear Bath
Rear Bedroom
Type Class C
ConditionNew
Mileage1,201 miles
Length25' 8"
Width7' 11"
Height11' 5"
VINW1X9N33Y8SN345066
Price Get Price
Need to know your payment? Use our RV Loan Calculator!
ChassisMercedes-Benz Sprinter 4500 Cab Chassis
Engine ManufacturerMercedes-Benz
Engine ModelTwin-Turbo 2.0 Ltr. Inline 4 Cyl
Fuel TypeDiesel
Transmission Spec9G-Tronic Automatic
Sleeps4
Water Capacity (Fresh)35 gal
Water Capacity (Black)34 gal
Water Capacity (Grey)34 gal
Air Conditioners1
A/C Spec15,000 BTU
Refrigerator Capacity10 ft³
Slideouts1
# Axles2

Looking to buy a 2026 Grand Design Lineage Series M Class C RV?

25’ 8” Class C diesel motorhome – compact luxury design
Built on Mercedes-Benz® Sprinter 4500 chassis with 2.0L twin-turbo diesel (208 HP)
Full-wall slide-out for spacious interior living
King-size bed (70” x 80”) in private rear sleeping area
Power theater seating for flexible living space
Full rear bathroom with shower & vanity
Fully equipped kitchen: 2-burner cooktop, convection microwave, 10 cu. ft. 12V fridge
600W solar + dual lithium batteries + inverter for off-grid capability
Tankless water heater + 15K BTU A/C + 30K BTU furnace
7,500 lb towing capacity for added versatility
MORryde® Steel Halo chassis upgrade for improved ride and handling

Luxury meets innovation in the 2026 Grand Design Lineage 25FW, a premium Class C diesel motorhome designed to deliver both high-end comfort and exceptional drivability. At just over 25 feet long, it offers a compact footprint that’s easy to maneuver, while the full-wall slide creates a surprisingly open and residential-style interior.

Built on the trusted Mercedes-Benz Sprinter 4500 chassis, the Lineage 25FW delivers smooth, confident performance with a fuel-efficient twin-turbo diesel engine and advanced safety features. Inside, the layout is thoughtfully designed with power theater seating, a spacious kitchen, and a private rear bedroom featuring a king-size bed—making it ideal for couples or small families.

The fully equipped kitchen and full rear bath provide all the comforts of home, while premium finishes and smart storage solutions elevate the overall experience. With features like a 600W solar system, lithium batteries, and tankless hot water, this coach is built for both campground stays and off-grid adventures.

Blending Grand Design’s renowned build quality with Mercedes-Benz performance and modern technology, the Lineage 25FW offers a refined, travel-ready motorhome perfect for exploring in comfort and style.

2026 Grand Design Lineage Series M 25FW Features

Appliances
Convection Microwave, Microwave, Oven, Refrigerator, Water Heater
Electrical
Air Conditioning, Batteries, Generator, Inverter, Solar Panel, Solar Panels
Equipment
CO Detector, Fire Extinguisher, LED Lights, LP Detector, Propane, Smoke Detector, TV
Exterior
Awning, Black Tank Flush, Driver's Door, Full Body Paint, Hitch, Ladder, Leveling Jacks, Power Awning, Power Entrance Step, Roof Vent, Screen Door, Skylight, Slideout, Spare Tire Kit
Interior/Furnishings
Day/Night Shades, King Size Bed, Kitchen Sink, Medicine Cabinet, Overhead Cabinetry, Pantry, Roof Vents, Shower, Solid Surface Countertops, Toilet, Wardrobe(s)
Horse / Livestock / LQ / Tack
Insulated

2026 Grand Design Lineage Series M 25FW Specifications

General

MSRP

$228,776

Dimensions

Height

11' 5"

Height (interior)

6' 8"

Length

25' 8"

Width

7' 11"

Weights

GVWR

12,125 lbs

Capacities

Fuel Capacity

24.50 gal

Refrigerator Capacity

10 cu ft

Sleep Capacity

Water Capacity - Black

34 gal

Water Capacity - Fresh

35 gal

Water Capacity - Grey

34 gal

Engine/Transmission

Engine Manufacturer

Mercedes-Benz

Engine Model

Twin-Turbo 2.0 Ltr. Inline 4 Cyl

Fuel Type

Diesel

Transmission Spec

9G-Tronic Automatic

Exterior

# Awnings

# Axles

# Doors

# Slides

Chassis

Mercedes-Benz Sprinter 4500 Cab Chassis

Electrical

# A/C

A/C Spec

15,000 BTU

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.

2026 Grand Design Lineage Series M 25FW Literature

2026 Grand Design Lineage Series M Brochure 1

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Seller Info

McClain's RV Superstore

5601 S. I-35 E.
Corinth, TX 76210

Member Since 2019

See 1730 Reviews

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Unit Specs

Stock #16164
Year2026
ManufacturerGrand Design RV
Make Grand Design
ModelLineage Series M
Floorplan25FW
Floorplan LayoutBunk Over Cab
Front Living Area
Full Wall Slide
Mid Kitchen
Rear Bath
Rear Bedroom
Type Class C
ConditionNew
Mileage1,201 miles
Length25' 8"
Width7' 11"
Height11' 5"
VINW1X9N33Y8SN345066
Price Get Price
Need to know your payment? Use our RV Loan Calculator!
ChassisMercedes-Benz Sprinter 4500 Cab Chassis
Engine ManufacturerMercedes-Benz
Engine ModelTwin-Turbo 2.0 Ltr. Inline 4 Cyl
Fuel TypeDiesel
Transmission Spec9G-Tronic Automatic
Sleeps4
Water Capacity (Fresh)35 gal
Water Capacity (Black)34 gal
Water Capacity (Grey)34 gal
Air Conditioners1
A/C Spec15,000 BTU
Refrigerator Capacity10 ft³
Slideouts1
# Axles2