New 2026 Tiffin Motorhomes Allegro Bus 45 OPP Motor Home Class A - Diesel
Experience the road in luxury with the Tiffin Allegro Bus 45 OPP, featuring a spacious bath and a half layout and a drawer-style dishwasher for effortless comfort and convenience.
Tiffin Allegro Bus 45 OPP – Luxury Class A Diesel Motorhome Built for Comfort and Performance
The Tiffin Motorhomes Allegro Bus 45 OPP is a premium Class A diesel motorhome designed for travelers who expect top-tier comfort, advanced technology, and powerful performance. With a spacious layout, high-end finishes, and innovative features, this model is ideal for full-time RVers and extended road trips.
Key Features:
- Sofa bed with ottoman for added comfort and sleeping space
- Bath and a half for convenience and privacy
- Residential refrigerator with ample storage
- Dinette with chairs for flexible dining and work space
- 50" TV in the bedroom for private entertainment
- Drawer-style dishwasher for easy cleanup
Spacious and Functional Interior
With four slide-outs, the Allegro Bus 45 OPP offers a roomy interior that comfortably sleeps up to six. The main living area includes two sofa beds and a lift TV that tucks away when not in use.
The kitchen is equipped with a two-burner induction cooktop, stainless steel convection microwave with air fryer, and a residential refrigerator. A drawer-style dishwasher makes post-meal cleanup effortless.
The private rear bedroom features a king-size bed, a full rear bath with a floor-to-ceiling closet, and a stacked washer and dryer—perfect for long-term travel.
Additional storage includes pull-out pantry drawers and multiple cabinets throughout.
Built for Smooth Travel
Powered by a 450 HP Cummins L9 diesel engine, the Allegro Bus delivers reliable performance and a smooth ride. Safety and driver assistance features include:
- Adaptive cruise control
- Collision mitigation with forward warning and active braking
- Valid instrument cluster with integrated leveling controls
Premium Amenities
This model includes:
- Hydronic heating system
- Three 15,000 BTU air conditioning units
- Onan 10.0 kW generator
- Dual Girard roof awnings
- Gold Heat dual-zone heated tile floors
- Starlink Pro satellite internet (subscription required)
The Allegro Bus 45 OPP is engineered for year-round comfort, long-term durability, and luxury living on the road.
Contact us today to learn more or schedule a private tour. Experience the difference of traveling in a Tiffin Allegro Bus.
I want to say thank you for everything that you did. You went way beyond my expectations. Everyone was so helpful. You are all amazing! - Karen
You Save: $166,705
Sale Price: $645,495
Stock# 108361
Chassis: PowerGlide XC Raised Rail Rear Engine
Exterior Color: WATER FALL
Interior Color: PACIFICA
| Sleeps | 6 |
| Slides | 4 |
| Length | 45 ft |
| Ext Width | 8 ft 5 in |
| Ext Height | 13 ft 3 in |
| Int Height | 6 ft 11 in |
| Interior Color | PACIFICA |
| Exterior Color | WATER FALL |
| Hitch Weight | 15000 lbs |
| GVWR | 52000 lbs |
| Fresh Water Capacity | 100 gals |
| Grey Water Capacity | 100 gals |
| Black Water Capacity | 55 gals |
| Tire Size | 315/80R22.5 |
| Fuel Type | Diesel |
| Engine | Cummins L9 |
| Chassis | PowerGlide XC Raised Rail Rear Engine |
| Horsepower | 450 hp |
| Fuel Capacity | 150 gals |
| Wheelbase | 323 in |
| Available Beds | King |
| Torque | 1250 ft-lb |
| Refrigerator Type | Stainless Steel Residential with French Doors and Bottom Freezer |
| Refrigerator Size | 25 cu ft |
| Convection Cooking | Yes |
| Cooktop Burners | 2 |
| Number of Awnings | 2 |
| Axle Weight Front | 18000 lbs |
| Axle Weight Rear | 23000 lbs |
| Axle Weight Tag | 11000 lbs |
| Water Heater Type | Hydronic |
| AC BTU | 45000 btu |
| Basement Storage | 257 cu. ft. |
| TV Info | LR TV, BR 50" TV, Ext. TV |
| Awning Info | Girard Power w/LED Lighting, Manual Window |
| Washer/Dryer Available | Yes |
| Gross Combined Weight | 67000 lbs |
| Shower Type | Standard |
| Electrical Service | 50 amp |
| VIN | 4UZFCHFE9TCWT5462 |
Allegro Bus 45 OPP Reviews
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