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*Advertised Sale Price reflects a promotional discount contingent upon approved financing arranged through Royal Coach Sales and participating lenders. Additional terms, conditions, and eligibility requirements apply. For more details, click here.
OVERVIEW
Product Overview
Experience the 2015 Tiffin Phaeton 42LH, a luxury Class A diesel pusher motorhome built for travelers who want comfort, power, and style on the open road. Riding on a reliable Freightliner XC chassis and powered by a Cummins 8.9L diesel engine with 450 horsepower and 1,250 lb-ft of torque, this motorhome delivers smooth performance with a six-speed Allison automatic transmission. Measuring 42 feet long, the Phaeton 42LH features four power slideouts and a large awning, creating expansive living space indoors and out.
Inside, this Tiffin luxury motorhome feels like a residential retreat. The cockpit includes ultra-leather captain’s chairs, a multi-view monitor system, and easy-to-read instrumentation for confident driving. The living room opens up with dual slideouts, offering a spacious lounge with a sofa, U-shaped dinette, leather recliner seating, and optional fireplace below the entertainment center. The fully equipped kitchen provides stainless steel appliances, a residential refrigerator, three-burner cooktop, convection microwave, solid-surface countertops, and Tiffin’s signature “expand-an-island” design for extra prep space.
The 2015 Tiffin Phaeton 42LH also offers the convenience of two bathrooms: a mid-coach half bath and a luxurious rear full bath with corner shower, vanity, linen storage, and an optional washer/dryer. The master suite includes a queen bed (with king upgrade option), dual nightstands, overhead storage, and an additional entertainment center. Handcrafted hardwood cabinetry, energy-efficient LED lighting, stain-resistant fabrics, and abundant storage throughout complete the package, highlighting the craftsmanship Tiffin is known for.
If you’re looking for a used Tiffin Phaeton for sale that combines powerful diesel performance with luxury features, the 2015 Phaeton 42LH is a top choice. This Class A diesel motorhome offers space, amenities, and reliability perfect for full-time RV living or long-distance adventures.
FLOOR PLAN

SPECIFICATIONS
FEATURES
- Cummins ISL 8.9L Turbo Diesel – 450 HP
- Allison 3000 MH 6-Speed Transmission
- Freightliner Raised-Rail Chassis with Air-Ride Suspension
- Quad-Slide 42LH Bath-and-a-Half Floorplan
- Residential Refrigerator
- Solid-Surface Countertops
- Expand-an-Island Kitchen
- Convection Microwave
- Fireplace & Living Area Entertainment Center
- King Bed
- Rear Full Bath with Residential-Style Shower
- Washer & Dryer
- Aqua-Hot Hydronic Heating System
- Central Vacuum System
- Porcelain Tile Flooring
- Handcrafted Hardwood Cabinetry
- Power Patio & Entry-Door Awnings
- Automatic Hydraulic Leveling
- Rear & Side-View Camera System
- Heated & Enclosed Basement Storage
- Full-Body Paint
- 10,000 lb. Towing Capacity






























