New 2026 Tiffin Motorhomes Allegro Bay 38 AB Motor Home Super C - Diesel
(2) 15,000 A/C w/Heat Pump
Embark on the Ultimate Road Trip with the Tiffin Allegro Bay 38 AB
Get ready to hit the open road in luxury, style, and adventure with the Allegro Bay 38 AB—a powerful Super C diesel motorhome built for those who crave more from every journey. Designed to comfortably sleep up to nine passengers, this spacious coach turns every trip into an unforgettable experience.
Interior Highlights:
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King Bed Slide-Out for maximum comfort (Queen option available)
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Spacious shower with built-in seat
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Triple slide-outs for an expansive living area
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Overhead bunk for extra sleeping space
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Residential refrigerator to keep you stocked and road-ready
Whether you're cruising down scenic highways or setting up camp at a national park, you'll love the open floorplan created by dual opposing slides. Lounge in style on two sofa beds or gather around the booth dinette for meals, games, and good conversation.
Love to cook? This kitchen makes it easy! Prepare your favorite meals with the three-burner cooktop, convection microwave with air fryer, and the handy Expand-An-Island that offers additional counter space when you need it most.
Comfort Meets Convenience:
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Split bath design lets two people freshen up at the same time
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Private rear bedroom with wardrobe, dresser, and optional washer/dryer
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Power awning with LED lights for evening hangouts under the stars
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Optional exterior TV for tailgating or movie nights outdoors
Built for the Long Haul:
The Allegro Bay 38 AB is more than a motorhome—it’s your home on the road, built on a durable Freightliner Custom S2RV chassis and powered by a commanding 360 HP Cummins B6.7 diesel engine. Enjoy a smooth, confident drive with:
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Trac-Tech full-time NoSPIN differential
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Automatic traction control
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Rear air suspension with manual release valve
Plus, with an impressive 12,000 lb. towing capacity, you can bring along your car, toys, or even a trailer.
Premium Features for Elevated Travel:
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Truma AquaGo Comfort instant water heater
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AGM extended cycle house batteries
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8.0 Onan Quiet Diesel generator
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Generation 3 full-body paint schemes
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Exterior ladder for easy rooftop access
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Starlink prep for internet on the go (optional)
Adventure-Ready. Comfort-Loaded. Built to Explore.
The Tiffin Allegro Bay 38 AB is your ticket to unlimited adventure—wherever the road may lead. Get ready to experience the freedom of the open road without leaving the comforts of home behind.
Absolutely amazing and so kind! We have a hybrid travel trailer and we were getting tossed around traveling from the Denver area to Miles City Mt. During the trip we had a mishap with an hidden and illplaced clearance bar that resulted in roof damage and antenna damage. We called them from Douglas, Wy to see if they could at least install an anti-sway system. They were ready for us the minute we pulled - Lindsay
Stock# 105939
Chassis: Freightliner S2RV
| Sleeps | 8 |
| Slides | 3 |
| Length | 39 ft 4 in |
| Ext Width | 8 ft 5 in |
| Ext Height | 13 ft 3 in |
| Int Height | 7 ft 2 in |
| Hitch Weight | 12000 lbs |
| GVWR | 33000 lbs |
| Fresh Water Capacity | 150 gals |
| Grey Water Capacity | 70 gals |
| Black Water Capacity | 45 gals |
| Tire Size | 275/80R 22.5 |
| Furnace BTU | 35000 btu |
| Fuel Type | Diesel |
| Engine | Cummins B6.7 |
| Chassis | Freightliner S2RV |
| Horsepower | 360 hp |
| Fuel Capacity | 100 gals |
| Wheelbase | 279 in |
| Number Of Bunks | 1 |
| Available Beds | King |
| Torque | 800 ft-lb |
| Refrigerator Type | Stainless Steel Residential w/Top Freezer |
| Refrigerator Size | 20 cu ft |
| Convection Cooking | Yes |
| Cooktop Burners | 3 |
| Shower Size | 28.5" x 40.5" |
| Number of Awnings | 1 |
| Axle Weight Front | 12000 lbs |
| Axle Weight Rear | 21000 lbs |
| LP Tank Capacity | 20.3 gals |
| Water Heater Type | Truma AquaGo Comfort Instant |
| AC BTU | 30000 btu |
| Basement Storage | 136 cu. ft. |
| TV Info | LR Mounted Overhead TV, BR Mounted TV |
| Awning Info | Girard Patio w/LED Lighting |
| Washer/Dryer Available | Yes |
| Gross Combined Weight | 45000 lbs |
| Shower Type | Shower w/Seat |
| Electrical Service | 50 amp |
| VIN | 4UZADVFC4TCWR7498 |
Allegro Bay 38 AB Reviews
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