You are looking at this 1977 GMC Royale 26FT — available for sale by owner in Atlanta, Georgia!
As of the time of this post, it is still available – you can find current pricing and contact the seller at the ad in our marketplace. If you want to skip our write-up, a direct link to that is at the bottom of this page just below the pictures.
This is a verified Premier Listing in our Marketplace.
Summary
A desirable 1977 GMC Motorhome featuring the rare rear-bath floor plan and extensive mechanical upgrades that make it a highly usable vintage coach. Powered by an Oldsmobile 403 V8 upgraded with electronic fuel injection and backed by a rebuilt transmission, it also benefits from a modern Quad-Bag air suspension conversion and upgraded leveling system, addressing some of the most common GMC motorhome concerns. Inside, the versatile layout sleeps up to six and includes a spacious rear bathroom, convertible rear lounge, updated refrigerator, full galley, and onboard 6,000-watt Onan generator, making it a turn-key classic motorhome ready for travel and camping.
Key Info:
- Location: Helena, MT
- Year: 1974
- Odometer: 94,000
- Length (ft): 24
- Type: Motorhome
- Model / Trim: Eleganza
- Condition: Good
Seller Write-up
Selling my classic 26-foot 1977 GMC Motorhome. This coach features the highly sought-after and rare rear bathroom floor plan and boasts major mechanical upgrades that make it a reliable, turn-key cruiser. It runs and drives great, and sleeps up to 6 people comfortably.
Mechanical & Chassis Upgrades:
• Engine: Oldsmobile 403 V8 upgraded with an aftermarket Electronic Fuel Injection (EFI) system for reliable starts and modernized fuel efficiency (EFI digital monitor is mounted right on the dash).
• Transmission: Fully rebuilt transmission.
• Suspension: Upgraded to the modern “Quad-Bag” air ride system, eliminating the worry of the original factory air cones. Upgraded leveling system and compressor.
• Power: Onboard 6000-watt Onan generator to power the coach off-grid.
Interior & Living Quarters:
• Rare Rear Bath: Features a spacious rear bathroom with a toilet, vanity sink, and a tub/shower combo and large closet.
• Highly Versatile Rear Lounge: The rear cabin features facing button-tufted sofas that can be configured as comfortable seating, or converted into suspended bunk beds (as shown in the photos).
• Kitchen/Galley: Features a 4-burner Magic Chef stove with a folding metal splash guard, a double stainless steel sink, plenty of wood cabinetry, microwave, and a working vintage NuTone Food Center.
• Appliances: Upgraded Dometic refrigerator/freezer that is exceptionally clean.
• Front Dinette & Cockpit: The forward dinette features updated grey/white patterned upholstery and drops down into an additional bed. The cockpit retains its classic woodgrain dash, a modernized Sony radio, and clean captain’s chairs.
This coach is a fantastic piece of automotive history with the most expensive mechanical weak points already addressed. Feel free to message me with any questions or to set up a time to view it.
Photo Gallery
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CLICK HERE to view this 1977 Royale 26FT in our Marketplace
**Please note this GMC RV was originally listed for sale in June of 2026. Depending on when you are viewing this article it may have since been sold.**
Last Updated on June 16, 2026 by GMC RV Ads
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