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Tiffin Allegro Bay 38 BB

Class Cbuilt 2023– (in production)Better build tierPatient search on the used market
WHAT ONE COSTS
$401,700MSRP today

Still in production. A used 2023 would run roughly $237,000.

THE SPECS
Length39.3 ft
Height (incl. A/C)13.3 ft
Width8.4 ft
Interior height6.9 ft
GVWR33,000 lb
Dry weightnot published
Sleeps5
Slide-outs3
Fresh water150 gal
Grey water70 gal
Black water45 gal
Air conditioning30,000 BTU
Fuel100 gal
Engine / chassisCummins B6.7 360 HP / Allison 3000 MH 9-speed on Freightliner S2RV
Generator8.0 kW Onan Quiet Diesel QD 8000

A missing row means the maker never published that figure: unknown, not zero.

WHERE PEOPLE SLEEP
  • Rear king memory foam (60×80 queen optional)(Permanent)72×80
  • Front overhead cab bunk, 300 lb capacity(Permanent)
  • 75" booth dinette-sleeper(Convertible)72×45
  • 68" air coil sofa bed(Convertible)72×52
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Tiffin (Better tier): Tiffin's first Super C - a Freightliner S2RV diesel coach carrying a Tiffin Class A interior. (Tiffin also used the Allegro Bay name on a front-engine Class A through about 2013; this entry is the Super C only.)

YEAR BY YEAR: WHAT CHANGED
  • 2023Introduced
  • 2026114 cu ft basement, 315 sq ft with slides out
FINDING ONE

Patient search: weeks of watching, and probably some travel. Why: still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Bath-and-a-half triple slide for couples who travel long and want two toilets.

OTHER ALLEGRO BAY FLOORPLANS
Find one for sale

Live listings for the 38 BB on the big marketplaces. Each search opens pre-filled with this exact floorplan:

Inventory varies by site and day. Slim pickings? search the whole Allegro Bay line ↗

Is the 38 BB your #1, or just a spec sheet?

These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about. Set your priorities as sliders, switch on your hard limits, and watch the whole market re-rank around them. Every exclusion explained, every margin shown.

See where it ranks for you →

Data compiled from manufacturer spec sheets, retrieved 2026-07.