2020 Tiffin Allegro Bus 45OPP

Front Driver Side Floor plan
MSRP $490,770

Buy me today, pick me up in spring—pay NO storage fee!

A premium coach with livable style, the luxurious Allegro Bus is for those who appreciate the finer things in their home away from home. On the road, this elegant coach is the perfect traveling companion, offering a quiet controlled ride, a driver's oriented cockpit, and a generous towing capacity. Off the beaten path, it becomes a haven of upscale residential living, complete with spacious interiors, high-end amenities, and exquisite design details. Many of these luxuries are Tiffin exclusives, including handcrafted hardwood cabinetry, dual-pane insulated windows, and the powerful, Tiffin-built PowerGlide® chassis.

General Specifications

  • Stock Number: NMA18811
  • Chassis: PowerGlide
  • Engine Make: Cummins
  • Engine Type: ISL9 450HP / 1250 lb Torque
  • Fuel Type: Diesel
  • Sleeping Capacity: 4
  • Fresh Water Capacity: 100 gal.
  • Air Conditioners: 3
  • Slide-outs: 4
  • Interior Color: Posh II
  • Exterior Color: Smokey Teal Full Body Paint
  • Interior Height: 6' 11"
  • Exterior Height: 13' 3"
  • Exterior Width: 8' 5"
  • Exterior Length: 45'
  • Self Contained: Yes

Options Included

  • Generation 10 Smokey Teal Full Body Paint
  • Glazed Canyon Cherry Cabinets
  • Advanced Monitor System
  • (2) Awnings - Patio Side
  • Mobileye Collision Avoidance System
  • Dishwasher
  • (2) Electric Slide Trays
  • External Light Under Slideout
  • Heated Tile Floor
  • JBL Sound System
  • (3) Solar Panels
  • Stacked Washer / Dryer
  • Winegard Connect
  • (2) Recliners
  • B/R Overhead Cabinet (W/O Window)
  • Bedroom TV without Lift or Fireplace
  • Contemporary Ceiling
  • Contemporary Slideout Facia
  • Cooktop / Convection Microwave
  • Dinette Computer Workstation (PS)
  • Dinette Overhead Cabinetry
  • Glossy Porcelain Wood Floor Tile
  • King Memory Foam Mattress
  • Ultra Leather DE Sofa (PS)
  • Lift TV
  • In-Motion Low Profile Satellite Dish
  • Solid Non-Opening Window (PS)

This unit will be thoroughly prepped, cleaned, and detailed. Also provided is a "show & tell", full propane tank, camping starter pack (water pressure regulator, electrical adapter, etc) at no extra charge!

General Construction - Roof

  • One-piece, moisture resistant molded fiberglass roof cap provides insulation & strength & prevents water intrusion
  • AC Condensation Drainage System that runs internally through the roof insulation & down the sidewalls, redirecting water underneath the motor home
  • 5½" formed insulation
  • Quiet Air Cooling System with return air & foil-wrapped cooling exhaust ducts
  • Durable, tubular aluminum roof skeleton
  • Easy-to-clean soft touch vinyl ceiling panel

General Construction - Sidewall

  • Gel-coat fiberglass outside wall panel
  • High-performance thermal insulation
  • Durable, yet lightweight, tubular aluminum wall skeleton
  • Decorative inside wall panel
  • All sidewalls are approximately 2" thick.

General Construction - Floor

  • Porcelain tile floor bonded to high-impact oriented strand board
  • High-level engineered oriented strand board
  • High-performance thermal insulation
  • Durable, tubular floor skeleton
  • Woven moisture barrier material

General Mechanical

  • PowerGlide® Chassis with Cummins ISL9 450 HP/1250 lb Torque
  • GVWR: 51,000 lb
  • GAWR – Front: 17,000 lb
  • GAWR – Rear: 23,000 lb
  • GAWR-Tag Axle: 13,300 lb
  • GCWR: 66,000 lb
  • Allison 3000 MH 6-speed Automatic Transmission with Lock-up (Torque Converter)
  • Side-mounted Cooling Package
  • ABS Brakes and Two-stage Compression Engine Brake
  • Six Aluminum Wheels
  • Air Bags: 6
  • Cruise Control
  • VIP Smart Wheel
  • Fog Lights
  • Emergency Start Switch
  • Adjustable Fuel and Brake Pedals
  • Independent Front Suspension
  • Hitch Rating*: 15,000 lb
  • Fuel Tank (gallons) – Dual Fuel Fill: 150
  • Overall Length (approximately**): 45'
  • Overall Height with Roof Air (maximum): 13' 3"
  • Interior Height: 83"
  • Overall Width**: 101"
  • Interior Width: 96"
  • Fresh Water (gallons): 100
  • Black Water (gallons): 55
  • Grey Water (gallons): 100
  • Minimum Garage Height: 14'
  • One-piece Molded Fiberglass Roof Cap
  • Laminated Floor, Sidewall and Roof
  • Steel/Aluminum Reinforced Structure
  • Basement Storage (cubic feet – approximately): 257
  • Wheel Base: 323"
  • Tire Size: 315/80R22.5
  • Alternator Amps: 210
  • DEF Tank*** (gallons): 10
  • Maximum Trailer Weight is dependent on the loading and towing variables which include the GVWR, GAWR, and GCWR, as well as adequate trailer brakes.
  • The approximated coach width and length does not include side-view mirrors.
  • Diesel Exhaust Fluid (DEF) is the active component used in Selective Catalytic Reduction (SCR) engines to reduce nitrogen oxide emissions by 90% to meet EPA standards.

All options may not be available in every model. Because of progressive improvements and specifications, standard and optional equipment are subject to change without notice or obligation.

General Exterior

  • Fiberglass Front and Rear Caps
  • Dual Fuel Fills
  • Exterior Ground Effects Lighting
  • Full-body Paint with Protective Film on Front Cap
  • Large Tinted One-piece Windshield
  • Heated Chrome Power Mirrors with Remote Adjustments
  • Single-motor Intermittent Wipers
  • Undercoating
  • Deadbolt Front Entrance Door
  • Keyless Entry Door System and Keyless Component Door Locks
  • Exterior Flat Panel TV
  • Dual Pane Tinted Windows
  • Electric Door and Patio Awning
  • Girard® Awning
  • Pass-through Basement Storage
  • Lockable Swing-out Exterior Storage Doors with Gas Shocks
  • Heated Water and Holding Tank Compartments
  • SeeLeveL Monitor Pad Located at Dump Station
  • Auto Generator Start
  • Six House Batteries
  • Custom Mud Flap
  • 50 Amp Service
  • Power Cord Reel – 50 amp
  • Black Holding Tank Flush System
  • 110 V Exterior Receptacle
  • Gravity Water Fill
  • Water Filter
  • Docking Lights
  • Exterior Rinse Hose with Soap Dispenser and Paper Towel Holder
  • Concealed Air Horn
  • Low Profile In-motion Satellite Dish*
  • Digital TV Antenna
  • Combination Valid Air Leveling System with HWH Hydraulic Leveling Jacks
  • Luggage Compartment Lights
  • Pure Sine Wave Inverter
  • Onan® 10.0 kw Generator with Three 15 K Low Profile Roof ACs with Heat Pumps
  • Prep for Winegard® TRAV'LER Satellite
  • Exterior Ground Effects Lighting
  • Outdoor Spyder® Control System Screen
  • Prep for Solar Panel
  • Prep for Winegard ConnecT™
  • High-definition programming is not available on a domed satellite antenna unless you subscribe to DISH Network®.

General Interior

  • LED Lighting
  • Soft Touch Vinyl Ceilings
  • Washer/Dryer Ready
  • SeeLeveL Tank Monitor
  • Carbon Monoxide and Smoke Detectors
  • Central Vacuum Cleaner with VacPan
  • Multiplex Lighting System
  • Porcelain Tile Flooring Throughout Coach (Excluding Slide-outs)
  • Tuscany Sea Salt Tile Floor
  • Complete Cable Wiring Interfacing with Surround Sound and Satellite Receiver
  • Surround Sound Speakers in Ceiling
  • Energy Management System
  • Power Solar and Privacy Shades in Living Room
  • In-motion Low Profile Satellite Dish with DISH Network® Receiver (Subscription Required)
  • Extraordinaire™ AC System
  • Hydronic Heating System
  • 10” Spyder Control System Screen

Driver Compartment

  • Front Overhead Flat Panel TV
  • Cupholders on Driver and Passenger Side
  • 12 V Disconnect Switch
  • Driver Side Power Window
  • Integrated Seatbelts
  • Ultraleather Power Driver and Passenger Seats
  • Ultraleather Power Passenger Seat with Footrest
  • Satellite Radio (subscription required)
  • Color Rear Vision Monitor System with Side-view Cameras Activated by Turn Signals
  • Power Solar and Privacy Windshield and Cockpit Shades
  • CD Player and AM/FM Stereo
  • Lighted Switches
  • Fire Extinguisher
  • Dual Dash Fans
  • Beverage Tray
  • In-dash Navigation System
  • USB Dash Receptacles
  • USB Passenger Side Receptacles
  • Power Step Well Cover
  • Solid Non-opening Window on Passenger Side
  • Driver and Passenger Seat Lumbar Support
  • Digital Instrument Cluster
  • Phone Charging Station - Passenger Side Seating Area

Living Area

  • Dinette with Computer Workstation on Passenger Side
  • Ultraleather Air Coil Sofa on Driver Side
  • Ultraleather DE Sofa and Lift TV on Passenger Side


  • Polished Solid Surface Countertops with Sink Covers
  • Expand-an-island
  • 2 ½" Deep Lighted Toe Kick
  • Single Lever Sink Faucet with Built-in Sprayer
  • Stainless Steel Double Bowl Sink
  • LED Light Above Countertop
  • Stainless Steel Residential Refrigerator
  • Stainless Steel Convection Microwave with Exterior Venting
  • 2-burner Induction Cooktop
  • Galley Soap Dispenser
  • Galley Window
  • Solid Surface Cooktop Cover


  • Memory Foam King Mattress (72" x 80")
  • Bed Comforter with Throw Pillows
  • Solid Surface Nightstand Tops
  • Laundry Hamper
  • Blu-ray System and Satellite Receiver
  • Solar and Privacy Shades
  • Wall Safe
  • USB Receptacles
  • Ceiling Fan
  • Bedroom TV (No Lift TV and No Fireplace)


  • Solid Surface Shower with Glass Door
  • Medicine Cabinet with Vanity Lights
  • Solid Surface Vanity Top and Glass Bowls
  • Skylight and LED Light in Shower
  • Roof Vent Fan
  • Electric Flush Toilet
  • Adjustable Shelves and Vanities

Manufacturer Provided Materials

All options may not be available on all models. Because of progressive improvements, manufacturer's specifications, standard and optional equipment are subject to change without notice or obligation.

Have a question about this or any other unit?

Feel free to contact us and we'll be happy to assist you!

Call us at:
(715) 355-5556
or toll free (800) 818-5464

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Video TourFront Passenger SideOutisde TVElectric Storage Trays in BasementRear Passenger SideRear Driver SideTaken Facing Towards the RearTaken Facing Towards the FrontPassenger SeatDashboardDriver SeatOverhead HD TVTwo Leather Recliners With Small TableUltraleather DE Sofa Bed With Lift TVDinette With Computer WorkstationKitchenKitchenDrawer-Type DishwasherResidential Refrigerator / FreezerHalf-BathSink and Medicine CabinetWalk-Around King BedBedroom TV / DresserStorage Underneath the BedMaster BathroomTwo SinksRear Floor-to-Ceiling ClosetClosetStacked Washer / Dryer