New 2026 Newmar Grand Star 3948 Super C Motorhome for Sale in Tucson, AZ

The new 2026 Newmar Grand Star 3948 is a 39 ft 11 in Super C motorhome built around a bath-and-a-half floor plan with a king master suite. It sleeps up to 7, has 3 slide-outs and rides on a Freightliner S2RV. It is available now at Freedom RV.

Grand Star 3948 at a Glance

Highlights

• Three slide-outs
• Bath and a half
• King bed with large wardrobe
• 18 cu ft residential refrigerator
• 74" Comfort Lounge sofa
• All-electric induction cooking
• Central vacuum
• Washer/dryer prep

Options Installed on This Unit

• All Electric Induction
• Wifi Ranger
• Central Vacuum
• Winegard Rayzar Antenna
• Sirius Radio Capability
• Mesa Maple Hardwood
• Solar Prep
• Flag Pole Bracket
• Washer/Dryer Prep
• Theater Seating

Frequently Asked Questions

How long is the 2026 Newmar Grand Star 3948?

The 2026 Newmar Grand Star 3948 is 39 ft 11 in long.

How many people does the 2026 Newmar Grand Star 3948 sleep?

It sleeps up to 7 people.

What chassis and engine does the Grand Star 3948 use?

This unit is built on a Freightliner S2RV, Cummins 6.7L turbo diesel, 360 hp, Allison 3000MH. It is rated to tow up to 12,000 lbs.

Can I finance the 2026 Newmar Grand Star 3948 or trade in my current RV?

Yes. Freedom RV offers financing and accepts trade-ins. Apply online 

Where can I see the 2026 Newmar Grand Star 3948?

Freedom RV has sales lots at 3735 E. Irvington Road in Tucson and 7475 N. I-10 Eastbound Frontage Rd. in Marana. 

Why Buy From Freedom RV

Freedom RV is a family-owned Arizona RV dealer serving Tucson, Marana and the Southwest since 1972. We offer financing, take trade-ins, and back every sale with our own parts and service department. Shoppers from Phoenix, Sierra Vista, Yuma, New Mexico and beyond make the drive for our selection and pricing.

Specifications are from the manufacturer and may vary by options. Price excludes tax, title, license and fees.