2020 Tiffin Motorhomes Allegro Bus
2020 Tiffin Motorhomes Allegro Bus 450PP 45" Class A Diesel Cummins Engine 450 HP. 4 Slide Outs, 2 Awnings, Sleeps 4, 3 AC Units.
Ultra-Luxury Class A Diesel Pusher - Flagship Level -- Free and Clear -- All Electric Coach
The Allegro Bus 45OPP sits at the very top of Tiffin‘s lineup, just below the Zephyr, and is widely regarded as one of the finest luxury coaches ever produced in its class. From the custom PowerGlide chassis to the hand-finished interior, this is not simply an RV-it is a rolling luxury residence.
Power, Chassis & Ride Quality
Built on Tiffin‘s exclusive PowerGlide chassis, this coach delivers an exceptionally smooth, quiet, and confident ride:
Cummins 8.9L diesel engine - 450 HP
150-gallon fuel capacity for extended travel range
Hydraulic & air leveling systems for perfect campsite setup
10 kW Cummins Onan generator (commercial-grade, recently serviced)
Also Available Blue Ox flat-tow system 10,000 lb towing capacity
New alternator & new engine batteries
This platform is designed for millions of miles of service, not just recreational use.
Residential Luxury Interior
Step inside and you are immediately surrounded by high-end residential materials and design:
Heated floors throughout - silent, even warmth
Ultraleather seating for durability and elegance
Full-body paint with seamless slides for quiet operation and longevity
Multiple Televator TVs (living room & fireplace) for unobstructed sightlines
Electric fireplace adding warmth and ambiance
Central vacuum system
Computer workstation
Floor-to-ceiling master bedroom closet
Every surface, cabinet, and finish reflects hand-built quality, not mass production.
Gourmet Residential Kitchen
Designed for full-time living or extended travel:
All-electric coach (no propane)
Induction cooktop with matching cover
Residential refrigerator/freezer with ice maker
Dishwasher
Convection microwave oven
Corian solid-surface countertops
Abundant pantry & cabinet storage
This is a kitchen capable of daily residential use-not a compromise RV galley.
Master Suite & Bath-and-Half Layout
The 45OPP bath-and-a-half floorplan is one of the most desirable layouts Tiffin has ever produced:
King-size bed
Luxury master bathroom with double sinks
Half bath for guests
Stacked washer & dryer
Private master suite with exceptional storage
Perfect for couples, entertaining, or full-time living.
Climate & Comfort Systems
Designed for true four-season comfort:
3 roof A/C units with heat pumps
Aqua-Hot hydronic heating system
Heated floors
Solar panels for battery support
Exceptionally quiet interior insulation
Whether in summer heat or winter cold, the coach maintains a calm, residential environment.
Entertainment & Technology
This coach is fully loaded with modern entertainment and control systems:
Multiple TVs (living room, fireplace, bedroom, cockpit, exterior)
Premium surround sound inside & outside
Winegard satellite
Triple-vision antenna/cable system
In-dash navigation
Color rear & side camera system
Outdoor entertainment center
Keypad entry with shade cover
All awnings, lights, and systems can be controlled from inside the coach.
Storage & Exterior Excellence
Outside shower
Dual full pass-through basement compartments
Access from both sides
Power door awning + dual Girard awnings with wind sensors
Freezer in the basement
Window awnings with LED lighting
Outdoor storage designed for full-time travelers
Ownership Advantages
Free & clear
All-electric coach
Also Available: Extended warranty - 4½ years remaining
Recently serviced & professionally detailed
No smoking, no pets
Turn-key and road-ready
Why the Allegro Bus 45OPP Is Truly Elite
Flagship Tiffin model
Hand-built PowerGlide chassis
Residential appliances & systems
Heated floors + Aqua-Hot
Bath & ½ luxury floorplan
Exceptional ride, silence & durability
Built for full-time luxury living
Bottom Line
This 2020 Tiffin Allegro Bus 45OPP is not just a luxury RV-it is a rolling estate, built to standards rivaling high-end yachts and custom homes. Few coaches offer this level of comfort, engineering, prestige, and long-term value in one package.

Financing for your RV
Classy RV has partnered with our friends at SeaDream Finance to get you the best financing available. They work with 22 lenders to bring you the right financing options for your RV.
Click the link below to apply. Just "kicking tires" at this point, no problem. Get preapproved now so you can act quickly when you find what you want. Preapproval speeds up the loan process and gives you leverage with sellers.
Once you've narrowed down your RV search, we recommend considering a 3rd party inspection of the unit. This will allow you to set eyes on the vehicle and determine it's mechanical condition, without ever having to leave home.
We recommend Premier RV Inspections. They work with qualified inspectors nationwide who will come out to the rig's location, review the condition, and send over a full report--including photos!
An RV warranty, like those offered by Wholesale Warranties, will step in to pay for these costly repairs. From your engine and transmission down to your leveling jacks, slide-outs, and appliances, these policies will take care of the repair bill, and get you back on the road where you belong! Click here to learn more about RV protection.