New 2026 Tiffin Motorhomes Allegro Bay 38 BB Motor Home Super C - Diesel

Experience spacious luxury and powerful performance with the Tiffin Allegro Bay 38 BB, featuring a bath-and-a-half layout and a 360 HP Cummins engine on a Freightliner chassis for smooth, confident travel.
Virtual Tour King Bed Outdoor Entertainment
2026 38 BB Features and Options

Tiffin Allegro Bay 38 BB – Luxury Super C Diesel Motorhome

 

Top Features:

  • Private Master Bedroom with King Bed
  • Full-Height Bath Mirror & Bath-and-a-Half Layout
  • Convection Microwave with Built-In Air Fryer
  • Overhead Bunk for Extra Sleeping Space
  • Exterior TV for Outdoor Entertainment

 

Spacious, Smart, and Ready for Adventure

The Allegro Bay 38 BB by Tiffin Motorhomes is designed for travelers who demand comfort, space, and performance. With a full-wall slide plus two additional slide-outs, this Super C diesel coach offers expansive living areas and sleeping accommodations for up to seven. Enjoy the convenience of a bath-and-a-half layout, perfect for families or guests on board.

 

The master suite features a plush king bed, ample wardrobe storage with built-in drawers, and a mounted TV for relaxing evenings. The living area includes a booth dinette, an air coil sofa bed, and optional theater seating or dinette bar for added flexibility. The fully equipped kitchen boasts a three-burner cooktop, convection microwave with air fryer, countertop extension, and a residential stainless steel refrigerator.

 

Built for Power and Performance

Powered by a 360 HP Cummins B6.7 engine on a Freightliner Custom S2RV chassis, the Allegro Bay delivers smooth handling and impressive towing capacity—up to 12,000 lbs. Enjoy premium features like Trac-Tech NoSPIN differential, automatic traction control, and a manual rear air suspension release valve for added control.

 

Stay comfortable and connected with a Truma AquaGo Comfort instant water heater, AGM extended cycle batteries, and an 8.0 Onan Quiet Diesel generator. Optional Starlink prep ensures reliable internet access wherever you roam.

 

Exterior Excellence

With Generation 3 full-body paint schemes, an exterior ladder, and a TV for outdoor viewing, the Allegro Bay 38 BB combines style and functionality for unforgettable road trips.

What Our Customers Are Saying

Best Prices!

Did not buy today, but I will be back! Shawn showed me what I asked to see and walked me through what might fit my needs. I am coming back when I'm ready to buy. Best prices on 2025 units. - Paul
Price: $402,395
You Save: $92,400
Sale Price: $309,995
Campers Inn
Location: Acworth GA
Stock# 107408
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RV ID: 2990783#
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2026 38 BB Specifications
Sleeps 6
Slides 3
Length 39 ft 4 in
Ext Width 8 ft 5 in
Ext Height 13 ft 3 in
Int Height 6 ft 10 in
Interior Color VAPOR
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" x 40"
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 114 cu. ft.
TV Info LR Mounted TV, BR Mounted TV, Ext. 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 4UZADVFC8TCWS8927
For more information Contact Us

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