2026 TIFFIN MOTORHOMES ALLEGRO BUS 45 OPP
50
Rv TypeClass A
Length45 ft
Fuel TypeDIESEL
Mileage-
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Description
The 2026 Tiffin Motorhomes Allegro Bus 45 OPP represents the height of Class A diesel luxury, performance, and innovation. Available now at Byerly RV in St. Louis, Missouri, this flagship Allegro Bus floorplan is designed for travelers who demand spacious living, premium residential features, and industry‑leading driving confidence.
With four slide‑outs, a bath‑and‑a‑half layout, and sleeping space for up to six, the 45 OPP delivers a wide‑open, residential feel that’s ideal for extended travel or entertaining guests. The main living area features dual sofa beds, a freestanding dinette with chairs, and a lift TV for a refined yet inviting atmosphere. The chef‑inspired kitchen includes an all‑electric induction cooktop, stainless convection microwave with air‑fryer functionality, a drawer‑type dishwasher, and a residential refrigerator, making everyday living effortless on the road.
The rear master suite offers true luxury with a king bed, 50" bedroom TV, optional fireplace, floor‑to‑ceiling closet, and stacked washer and dryer for ultimate convenience. The spacious rear bath allows you to unwind in comfort, while the half bath up front provides easy access for guests.
Powered by a 450 HP Cummins L9 diesel engine, the Allegro Bus 45 OPP delivers commanding performance supported by advanced safety technology, including adaptive cruise control, collision mitigation, lane‑departure warning, and a full 360° camera system. Luxury features such as hydronic heating, triple 15,000 BTU air conditioners, solar capability, handcrafted cabinetry, solid‑surface countertops, and heated tile floors elevate the experience even further.
If you’re searching for a 2026 Tiffin Allegro Bus 45 OPP for sale in St. Louis, MO, visit Byerly RV to experience one of the most respected luxury diesel motorhomes on the road today.
Byerly RV — premier brands, expert guidance, and motorhomes built for the journey without compromise.
With four slide‑outs, a bath‑and‑a‑half layout, and sleeping space for up to six, the 45 OPP delivers a wide‑open, residential feel that’s ideal for extended travel or entertaining guests. The main living area features dual sofa beds, a freestanding dinette with chairs, and a lift TV for a refined yet inviting atmosphere. The chef‑inspired kitchen includes an all‑electric induction cooktop, stainless convection microwave with air‑fryer functionality, a drawer‑type dishwasher, and a residential refrigerator, making everyday living effortless on the road.
The rear master suite offers true luxury with a king bed, 50" bedroom TV, optional fireplace, floor‑to‑ceiling closet, and stacked washer and dryer for ultimate convenience. The spacious rear bath allows you to unwind in comfort, while the half bath up front provides easy access for guests.
Powered by a 450 HP Cummins L9 diesel engine, the Allegro Bus 45 OPP delivers commanding performance supported by advanced safety technology, including adaptive cruise control, collision mitigation, lane‑departure warning, and a full 360° camera system. Luxury features such as hydronic heating, triple 15,000 BTU air conditioners, solar capability, handcrafted cabinetry, solid‑surface countertops, and heated tile floors elevate the experience even further.
If you’re searching for a 2026 Tiffin Allegro Bus 45 OPP for sale in St. Louis, MO, visit Byerly RV to experience one of the most respected luxury diesel motorhomes on the road today.
Byerly RV — premier brands, expert guidance, and motorhomes built for the journey without compromise.
RV details
Type
Class A
Condition
New
Length
45 ft
GVWR
52,000 lbs
Odometer
0 mi
Slide-outs
4
Sleeping capacity
8
Water capacity
100 gal
Floor plan
ALLEGRO BUS
Fuel type
DIESEL
Dealer stock ID
18903
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Dealer information
Byerly RV
$645,595
Contact the seller
Call the dealer
(833) 550-0182
RV code: 1374