{"@context":"https://schema.org","@type":"Product","name":"12 Tiffin Motorhomes ALLEGRO BUS Class A RVs and Motorhomes for sale","offers":{"@type":"AggregateOffer","offerCount":12,"lowPrice":"249995.00","highPrice":"589991.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-tiffin-motorhomes-allegro-bus-45-opp/20889e2d-1d6b-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2026 Tiffin Allegro Bus 45 OPP, Overview Elevate Your Explorations with the 2026 Tiffin Allegro Bus 45 OPP: Luxury Meets Adventure!

The 2026 Tiffin Allegro Bus 45 OPP redefines the essence of travel for those who seek both grandeur and the thrill of exploration. This Class A is the perfect blend of home comfort and wanderlust, designed to take you places in style and luxury.

A Symphony of Style and Substance:
Experience a seamless fusion of elegant design and practicality with the 2026 Tiffin Allegro Bus 45 OPP. Its sleek, aerodynamic profile ensures a smooth journey, while its robust build, using premium materials, exemplifies durability and class.

A Sanctuary on Wheels:
The interior of the Tiffin Allegro Bus is a realm of luxury. Spacious, intelligently designed, and lavishly appointed, it offers a tranquil retreat from the outside world, making every moment on the road a pleasure.

Comfort in Every Corner:
The Tiffin Allegro Bus is synonymous with unparalleled comfort. From the plush seats to the tranquil bedrooms, each area is crafted to provide a relaxing and luxurious travel experience.

Safety: A Core Priority:
With the Tiffin Allegro Bus, your safety is paramount. It incorporates the latest in safety technology, ensuring that every journey is not only enjoyable but also secure.

Eco-Friendly Exploration:
The 2026 Tiffin Allegro Bus 45 OPP is designed with the environment in mind. Featuring sustainable technology, it allows you to travel responsibly, knowing you're making a positive impact on the planet.

The Essence of the Tiffin Allegro Bus:
Choosing the Tiffin Allegro Bus is about valuing unforgettable journeys and impeccable style. It's the ideal companion for both short jaunts and long sojourns, transforming every trip into an experience filled with luxury and excitement.

Embrace the extraordinary with the 2026 Tiffin Allegro Bus 45 OPP. Set out on your adventures in this magnificent RV and make every mile a memory to cherish! Interior Interior Features: a bathroom with Tile flooring, bathroom located Rear / Center, Automatic heater for optimal comfort, master bedroom located Center, a Full-Size refrigerator, comfortable sofas with Leather, a Porcelain toilet. This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey. Exterior Exterior Features: a sturdy Aluminum body, a striking Black and Orange exterior, a power-retractable slideout for additional space, Front Power / Rear Power for effortless leveling, a GVWR (Gross Vehicle Weight Rating) of 52000, equipped with 22.5, satellite prewiring for entertainment and connectivity. Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.","itemCondition":"Used","priceCurrency":"USD","price":"569991.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-tiffin-motorhomes-allegro-bus-45-opp/038ee2ea-1d6b-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2026 Tiffin Allegro Bus 45 OPP, Overview Discover the 2026 Tiffin Allegro Bus 45 OPP: Where Every Journey Becomes an Unforgettable Experience!

Step into the world of luxury travel with the 2026 Tiffin Allegro Bus 45 OPP, a perfect companion for the avid traveler and connoisseur of fine living. This Class A is not just a vehicle; it's your ticket to exploring new horizons with elegance and comfort.

Elegance in Motion:
The 2026 Tiffin Allegro Bus 45 OPP features a sleek, efficient design that turns heads and glides effortlessly across diverse landscapes. Crafted with premium materials, it's designed for durability and style, ensuring your travels are as impressive as they are enjoyable.

Expansive and Thoughtful Interiors:
Inside, you'll be greeted by a spacious and well-planned interior that maximizes comfort and utility. Every inch is tailored to enhance your travel experience, providing a perfect blend of luxury and practicality.

Unparalleled Comfort:
Experience the pinnacle of relaxation with plush seating, cozy sleeping areas, and versatile spaces. Whether you're resting or entertaining, every moment aboard the Tiffin Allegro Bus is steeped in comfort.

Prioritized Safety:
The Tiffin Allegro Bus prioritizes your safety with its comprehensive suite of safety features. Travel with confidence knowing that every aspect of the RV is designed with your well-being in mind.

Environmentally Mindful:
The 2026 Tiffin Allegro Bus 45 OPP is not only about luxury but also responsibility. Its eco-friendly features align with sustainable practices, allowing you to travel with a smaller environmental footprint.

Why the 2026 Tiffin Allegro Bus 45 OPP?
Opting for the Tiffin Allegro Bus signifies a choice for unparalleled quality and memorable experiences. Be it for weekend getaways or extended voyages, this Class A elevates every trip into a tale worth sharing.

Embrace the extraordinary journeys ahead with the 2026 Tiffin Allegro Bus 45 OPP. Embark on your next great adventure and create lasting memories on the road! Interior Interior Features: a bathroom with Tile flooring, bathroom located Rear / Center, Automatic heater for optimal comfort, master bedroom located Center, a Full-Size refrigerator, comfortable sofas with Leather, a Porcelain toilet. This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey. Exterior Exterior Features: a sturdy Aluminum body, a striking Black and Orange exterior, a power-retractable slideout for additional space, Front Power / Rear Power for effortless leveling, a GVWR (Gross Vehicle Weight Rating) of 52000, equipped with 22.5, satellite prewiring for entertainment and connectivity. Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.","itemCondition":"Used","priceCurrency":"USD","price":"0.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-tiffin-motorhomes-allegro-bus-45-opp/1bd48cb6-1d6b-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2026 Tiffin Allegro Bus 45 OPP, Overview Discover the 2026 Tiffin Allegro Bus 45 OPP: Where Every Journey Becomes an Unforgettable Experience!

Step into the world of luxury travel with the 2026 Tiffin Allegro Bus 45 OPP, a perfect companion for the avid traveler and connoisseur of fine living. This Class A is not just a vehicle; it's your ticket to exploring new horizons with elegance and comfort.

Elegance in Motion:
The 2026 Tiffin Allegro Bus 45 OPP features a sleek, efficient design that turns heads and glides effortlessly across diverse landscapes. Crafted with premium materials, it's designed for durability and style, ensuring your travels are as impressive as they are enjoyable.

Expansive and Thoughtful Interiors:
Inside, you'll be greeted by a spacious and well-planned interior that maximizes comfort and utility. Every inch is tailored to enhance your travel experience, providing a perfect blend of luxury and practicality.

Unparalleled Comfort:
Experience the pinnacle of relaxation with plush seating, cozy sleeping areas, and versatile spaces. Whether you're resting or entertaining, every moment aboard the Tiffin Allegro Bus is steeped in comfort.

Prioritized Safety:
The Tiffin Allegro Bus prioritizes your safety with its comprehensive suite of safety features. Travel with confidence knowing that every aspect of the RV is designed with your well-being in mind.

Environmentally Mindful:
The 2026 Tiffin Allegro Bus 45 OPP is not only about luxury but also responsibility. Its eco-friendly features align with sustainable practices, allowing you to travel with a smaller environmental footprint.

Why the 2026 Tiffin Allegro Bus 45 OPP?
Opting for the Tiffin Allegro Bus signifies a choice for unparalleled quality and memorable experiences. Be it for weekend getaways or extended voyages, this Class A elevates every trip into a tale worth sharing.

Embrace the extraordinary journeys ahead with the 2026 Tiffin Allegro Bus 45 OPP. Embark on your next great adventure and create lasting memories on the road! Interior Interior Features: a bathroom with Tile flooring, bathroom located Rear / Center, Automatic heater for optimal comfort, master bedroom located Center, a Full-Size refrigerator, comfortable sofas with Leather, a Porcelain toilet. This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey. Exterior Exterior Features: a sturdy Aluminum body, a striking Black and Orange exterior, a power-retractable slideout for additional space, Front Power / Rear Power for effortless leveling, a GVWR (Gross Vehicle Weight Rating) of 52000, equipped with 22.5, satellite prewiring for entertainment and connectivity. Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.","itemCondition":"Used","priceCurrency":"USD","price":"569991.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2020-tiffin-motorhomes-allegro-bus-45-opp/93b4e8db-5df5-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2020 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2020 Tiffin Allegro Bus 45 OPP,","itemCondition":"Used","priceCurrency":"USD","price":"319995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-tiffin-motorhomes-allegro-bus-45-opp/28a03c5d-1d6b-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2026 Tiffin Allegro Bus 45 OPP, Overview Discover the 2026 Tiffin Allegro Bus 45 OPP: Where Every Journey Becomes an Unforgettable Experience!

Step into the world of luxury travel with the 2026 Tiffin Allegro Bus 45 OPP, a perfect companion for the avid traveler and connoisseur of fine living. This Class A is not just a vehicle; it's your ticket to exploring new horizons with elegance and comfort.

Elegance in Motion:
The 2026 Tiffin Allegro Bus 45 OPP features a sleek, efficient design that turns heads and glides effortlessly across diverse landscapes. Crafted with premium materials, it's designed for durability and style, ensuring your travels are as impressive as they are enjoyable.

Expansive and Thoughtful Interiors:
Inside, you'll be greeted by a spacious and well-planned interior that maximizes comfort and utility. Every inch is tailored to enhance your travel experience, providing a perfect blend of luxury and practicality.

Unparalleled Comfort:
Experience the pinnacle of relaxation with plush seating, cozy sleeping areas, and versatile spaces. Whether you're resting or entertaining, every moment aboard the Tiffin Allegro Bus is steeped in comfort.

Prioritized Safety:
The Tiffin Allegro Bus prioritizes your safety with its comprehensive suite of safety features. Travel with confidence knowing that every aspect of the RV is designed with your well-being in mind.

Environmentally Mindful:
The 2026 Tiffin Allegro Bus 45 OPP is not only about luxury but also responsibility. Its eco-friendly features align with sustainable practices, allowing you to travel with a smaller environmental footprint.

Why the 2026 Tiffin Allegro Bus 45 OPP?
Opting for the Tiffin Allegro Bus signifies a choice for unparalleled quality and memorable experiences. Be it for weekend getaways or extended voyages, this Class A elevates every trip into a tale worth sharing.

Embrace the extraordinary journeys ahead with the 2026 Tiffin Allegro Bus 45 OPP. Embark on your next great adventure and create lasting memories on the road! Interior Interior Features: This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey. Exterior Exterior Features: Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.","itemCondition":"Used","priceCurrency":"USD","price":"579991.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-tiffin-motorhomes-allegro-bus-45-opp/10685237-1d6b-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2026 Tiffin Allegro Bus 45 OPP, Overview Experience the Open Road Like Never Before with the 2026 Tiffin Allegro Bus 45 OPP: Your Gateway to Adventure!

Step aboard the 2026 Tiffin Allegro Bus 45 OPP and transform your travel dreams into reality. Tailored for those who seek both adventure and luxury, this Class A is your perfect partner for journeys both near and far.

Streamlined Elegance:
The design of the 2026 Tiffin Allegro Bus 45 OPP merges beauty with functionality. Its aerodynamic silhouette ensures smooth travel across varying landscapes, while its robust build and premium materials promise longevity and style.

Interior Mastery:
Inside, the Tiffin Allegro Bus invites you into a world where space and design work in harmony. From the clever use of storage to the luxurious living areas, every aspect is designed to maximize your comfort and enjoyment on the road.

Ultimate Comfort Zone:
Relaxation is paramount in the Tiffin Allegro Bus. With deluxe seating, tranquil sleeping areas, and adaptable living spaces, every minute spent inside is an exercise in comfort and luxury.

Safety as Standard:
Safety isn't an afterthought in the Tiffin Allegro Bus. Every element, from the chassis to the cabin, includes advanced safety features, ensuring that your travels are as secure as they are enjoyable.

Green and Grand: The 2026 Tiffin Allegro Bus 45 OPP embraces eco-friendly technologies, allowing for responsible and sustainable travel. Enjoy the luxury of the open road while minimizing your environmental impact.

The 2026 Tiffin Allegro Bus 45 OPP Difference:
Choosing this Tiffin Allegro Bus means embracing a lifestyle of elegance, adventure, and unforgettable experiences. Whether it's a weekend escape or a long-haul expedition, this RV turns every trip into a cherished memory.

Set off on your grand adventure with the 2026 Tiffin Allegro Bus 45 OPP. It's not just a journey; it's an experience in unparalleled luxury and freedom! Interior Interior Features: a bathroom with Tile flooring, bathroom located Rear / Center, Automatic heater for optimal comfort, master bedroom located Center, a Full-Size refrigerator, comfortable sofas with Leather, a Porcelain toilet. This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey. Exterior Exterior Features: a sturdy Aluminum body, a striking Black and Orange exterior, a power-retractable slideout for additional space, Front Power / Rear Power for effortless leveling, a GVWR (Gross Vehicle Weight Rating) of 52000, equipped with 22.5, satellite prewiring for entertainment and connectivity. Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.","itemCondition":"Used","priceCurrency":"USD","price":"569991.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-tiffin-motorhomes-allegro-bus-45-opp/3021c2d4-1d6b-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2026 Tiffin Allegro Bus 45 OPP, Overview

Venture into Luxury with the 2026 Tiffin Allegro Bus 45 OPP: Your Home on the Open Road!

Welcome to a new era of travel with the 2026 Tiffin Allegro Bus 45 OPP, where elegance and exploration converge. This Class A RV isn't just a vehicle; it's a mobile haven for those who crave adventure without sacrificing the comforts of home.

Sleek and Sturdy Design:
The 2026 Tiffin Allegro Bus 45 OPP stands out with its sophisticated and functional design. Its sleek lines promise smooth travel, while the high-quality materials ensure durability and a touch of luxury that lasts.

Expansive and Inviting Interiors:
Step into the spacious interior of the Tiffin Allegro Bus, where every detail caters to your comfort and convenience. The layout maximizes space and functionality, offering a perfect setting for relaxation and entertainment.

Supreme Comfort for the Road:
In the Tiffin Allegro Bus, comfort is king. The plush seating, cozy sleeping spaces, and versatile living areas are all designed to make your journeys as relaxing as they are memorable.

Safety at the Forefront:
Safety is a top priority in the Tiffin Allegro Bus. Equipped with state-of-the-art safety features, this RV ensures peace of mind as you traverse various landscapes.

Environmentally Considerate Travel:
With the 2026 Tiffin Allegro Bus 45 OPP, travel responsibly. Incorporating eco-friendly features, this RV allows you to enjoy the luxuries of travel while being mindful of the environment.

Why the 2026 Tiffin Allegro Bus 45 OPP?
Opting for the Tiffin Allegro Bus is a declaration of your love for refined travel and meaningful experiences. Whether it s for leisurely retreats or adventurous expeditions, this RV elevates every journey into an extraordinary experience.

Take the leap into a world of refined exploration with the 2026 Tiffin Allegro Bus 45 OPP. Your luxurious home away from home awaits, ready to turn every road into a story of adventure and elegance!

Interior

Interior Features: a bathroom with Tile flooring, bathroom located Rear / Center, Automatic heater for optimal comfort, master bedroom located Center, a Full-Size refrigerator, comfortable sofas with Leather, a Porcelain toilet. This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey.

Exterior

Exterior Features: a sturdy Aluminum body, a striking Black and Orange exterior, a power-retractable slideout for additional space, Front Power / Rear Power for effortless leveling, a GVWR (Gross Vehicle Weight Rating) of 52000, equipped with 22.5, satellite prewiring for entertainment and connectivity. Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.

","itemCondition":"Used","priceCurrency":"USD","price":"499991.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-tiffin-motorhomes-allegro-bus-45-opp/f3806b66-1d6a-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2026 Tiffin Allegro Bus 45 OPP, Overview Welcome Aboard the 2026 Tiffin Allegro Bus 45 OPP: Redefining Travel with Every Mile!

The 2026 Tiffin Allegro Bus 45 OPP is not just an RV; it's a statement of luxury and freedom, crafted for those who yearn to explore without compromising on comfort. This Class A is your passport to discovering the world in unparalleled style.

Artful and Agile Design:
Witness a stunning blend of aesthetics and practicality in the 2026 Tiffin Allegro Bus 45 OPP. Its elegant exterior lines promise efficiency on the road, while the robust construction, using only high-grade materials, assures a lasting presence.

Lavish Living Spaces:
Step into a haven of sophistication and space inside the Tiffin Allegro Bus. The interior is a masterpiece of design, offering opulent living quarters that cater to every need of the modern traveler.

Relaxation Redefined:
The Tiffin Allegro Bus sets a new standard for comfort. Luxuriate in its plush seating and serene sleeping arrangements, where every element is fashioned for your relaxation and pleasure.

Committed to Safety:
Travel with confidence in the Tiffin Allegro Bus. This RV integrates advanced safety features throughout, ensuring that your adventures are as safe as they are enjoyable.

Respect for Nature:
Embrace eco-friendly travel with the 2026 Tiffin Allegro Bus 45 OPP. Its sustainable features reflect a commitment to environmental responsibility, allowing you to journey with a lighter ecological footprint.

Why the Tiffin Allegro Bus Stands Out:
Opting for the Tiffin Allegro Bus is a choice for extraordinary travel experiences. Perfect for both quick getaways and extended explorations, it elevates every trip into a tale of adventure and luxury.

Begin your journey of discovery and indulgence with the 2026 Tiffin Allegro Bus 45 OPP. Your next great adventure awaits in this epitome of travel excellence! Interior Interior Features: a bathroom with Tile flooring, bathroom located Rear / Center, Automatic heater for optimal comfort, master bedroom located Center, a Full-Size refrigerator, comfortable sofas with Leather, a Porcelain toilet. This RV's interior is designed for comfort, convenience, and a touch of luxury on every journey. Exterior Exterior Features: a sturdy Aluminum body, a striking Black and Orange exterior, a power-retractable slideout for additional space, Front Power / Rear Power for effortless leveling, a GVWR (Gross Vehicle Weight Rating) of 52000, equipped with 22.5, satellite prewiring for entertainment and connectivity. Built for adventure, comfort, and lasting memories, this RV stands as a pinnacle of modern design and functionality.","itemCondition":"Used","priceCurrency":"USD","price":"589991.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-tiffin-motorhomes-allegro-bus-45-opp/e5a1b73e-1d6a-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2026 Tiffin Allegro Bus 45 OPP, Overview

Elevate Your Explorations with the 2026 Tiffin Allegro Bus 45 OPP: Luxury Meets Adventure!

The 2026 Tiffin Allegro Bus 45 OPP redefines the essence of travel for those who seek both grandeur and the thrill of exploration. This Class A is the perfect blend of home comfort and wanderlust, designed to take you places in style and luxury.

A Symphony of Style and Substance:
Experience a seamless fusion of elegant design and practicality with the 2026 Tiffin Allegro Bus 45 OPP. Its sleek, aerodynamic profile ensures a smooth journey, while its robust build, using premium materials, exemplifies durability and class.

A Sanctuary on Wheels:
The interior of the Tiffin Allegro Bus is a realm of luxury. Spacious, intelligently designed, and lavishly appointed, it offers a tranquil retreat from the outside world, making every moment on the road a pleasure.

Comfort in Every Corner:
The Tiffin Allegro Bus is synonymous with unparalleled comfort. From the plush seats to the tranquil bedrooms, each area is crafted to provide a relaxing and luxurious travel experience.

Safety: A Core Priority:
With the Tiffin Allegro Bus, your safety is paramount. It incorporates the latest in safety technology, ensuring that every journey is not only enjoyable but also secure.

Eco-Friendly Exploration:
The 2026 Tiffin Allegro Bus 45 OPP is designed with the environment in mind. Featuring sustainable technology, it allows you to travel responsibly, knowing you're making a positive impact on the planet.

The Essence of the Tiffin Allegro Bus:
Choosing the Tiffin Allegro Bus is about valuing unforgettable journeys and impeccable style. It's the ideal companion for both short jaunts and long sojourns, transforming every trip into an experience filled with luxury and excitement.

Embrace the extraordinary with the 2026 Tiffin Allegro Bus 45 OPP. Set out on your adventures in this magnificent RV and make every mile a memory to cherish!

Interior

Exterior

","itemCondition":"Used","priceCurrency":"USD","price":"569991.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2018-tiffin-motorhomes-allegro-bus-40sp/c9452231-7050-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2018 TIFFIN MOTORHOMES ALLEGRO BUS 40SP","description":"2018 Tiffin Allegro Bus 40 SP,","itemCondition":"Used","priceCurrency":"USD","price":"259995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2017-tiffin-motorhomes-allegro-bus-45-opp/d05b6255-7050-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2017 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP","description":"2017 Tiffin Allegro Bus 45 OPP,","itemCondition":"Used","priceCurrency":"USD","price":"259995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2019-tiffin-motorhomes-allegro-bus-40ip/a39107cf-7a60-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2019 TIFFIN MOTORHOMES ALLEGRO BUS 40IP","description":"2019 Tiffin Allegro Bus 40 IP,","itemCondition":"Used","priceCurrency":"USD","price":"249995.00"}}]}}

Great American RV SuperStores - Hammond

Tiffin Motorhomes ALLEGRO BUS Class A RVs and Motorhomes for sale