Inside the 2026 Newmar Grand Star 3948: A Complete Walkthrough
Published Apr 25, 2025
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Life on the road doesn’t have to be isolated; that’s the idea behind the all-new 2026 Newmar Grand Star. Whether you’re considering the 3444, 3940, or 3948, this Super C lineup blends comfort, drivability, and high-end design in a coach that feels like home from the start.
The 3948 model is built on the Freightliner S2RV chassis and powered by a 6.7L Cummins diesel engine with 360 horsepower and 800 lb-ft of torque. With a 12,000-pound towing capacity and features like an exhaust brake, paddle shifters, and generator start built into the dash, the Grand Star is ready for your next cross-country journey.
No matter which way you travel —solo or with the family— the Grand Star is built to match your lifestyle. Take a virtual walk through the Grand Star.
NEW 2026 Newmar Grand Star 3948
Cockpit: Control your ride
From air-ride seating to intuitive touchscreens, every aspect of the cab is designed to simplify the driving experience.
- Seating: Adjustable captain’s chairs with lumbar support and integrated armrests
- Displays: Sony 10-inch touchscreens for navigation, HVAC, and cameras
- Layout: Clean dash design that’s easy to use even for first-time RVers
- Access: Cruise control, leveling controls, and lighting are all within easy reach
Exterior: Stylish yet thoughtful
The exterior design isn’t just for looks. Storage and entertainment features are built into it to make road life a breeze.
- Storage: Side-hinged compartments with lighting and felt lining
- Entertainment: Swivel-mounted exterior Smart TV with soundbar
- Paint: Optional Onyx full-body paint with blackout trim
- Lighting: Entry-mounted master switch for quick control
Living room: Your space to unwind
The Grand Star 3948 offers a lounge area that feels bright, open, and ready for relaxation.
- Seating: Manual or powered theater recliners, depending on model
- Extra space: Booth dinette in the 3948 converts into additional sleeping space
- Windows: Large side windows for natural light and ventilation
- Storage: Deep overhead cabinets above seating areas
Kitchen: Cook like home
The Grand Star’s kitchen gives you real cooking options and clever storage for extended stays or quick meals.
- Cooktop: True Induction or removable dual-burner setups
- Microwave: WhirlpoolⓇ convection model with built-in air fryer
- Refrigerator: 18 cu. ft. residential fridge with ice maker and travel lock
- Countertops: Solid-surface counters with pull-out extension
- Storage: Full-extension drawers, tall pantry, and overhead cabinets
Bathroom: Compact but complete
High-end finishes and practical layouts make these bathrooms feel much more functional than most RV baths.
- Shower: 30" x 40" one-piece shower with modern fixtures and skylight
- Sink: Vessel or solid-surface sink options, depending on layout
- Cabinetry: Full-height linen cabinets, deep drawers, and upper storage
- Water heater: Truma Comfort Plus™ for continuous hot water
Bedroom: Sleep the night away
Every bedroom is designed for comfort, whether you’re parked for the night or living on the road.
- Bed: King-size in 3948 (if you're looking for a queen-size, check out the 3940)
- Storage: Lift-up under-bed space or reclining function, depending on floor plan
- Wardrobe: Dual closets, overhead cabinetry, and AV storage
Discover the 2026 Newmar Grand Star 3948 at Transwest
From weekend getaways to full-time travel, the 2026 Grand Star 3948 delivers a comfortable and capable RV experience. Explore the Grand Star in person, or keep shopping online.
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