Key Features of the New 2026 Tiffin Motorhomes Allegro Bus 45 BTP

The 2026 Tiffin Motorhomes Allegro Bus 45 BTP is the ultimate expression of luxury diesel motorhome travel. At a full 45 feet long with four slide-outs, this coach delivers a residential living experience paired with industry-leading performance and craftsmanship.

Built on Tiffin’s exclusive PowerGlide raised-rail chassis and powered by a 450-horsepower Cummins diesel engine, the 45 BTP offers smooth handling, confident towing, and long-distance reliability for serious RVers.

Inside, the quad slide design creates a wide-open living space perfect for entertaining or relaxing. Premium seating, elegant cabinetry, and panoramic windows give the coach a high-end residential feel.

With seating arrangements like theater seating and a deluxe sofa with lift TV, this coach is designed for comfort at every turn.

The residential kitchen is built to impress and perform:

Whether you're hosting guests or cooking on the road, this kitchen delivers true home-style functionality.