Tiffin Allegro Bus 45 FP

Name: Tiffin Allegro Bus 45 FP
Brand: Tiffin

Class Abuilt 2022–25Better build tierPatient search on the used market

WHAT ONE COSTS

$495,900est. used (2025, 1 yr old)

Sticker was $688,743 in 2025. Out of production since 2025, so the used market is the only way to buy one. Estimate assumes a 2025 unit.

THE SPECS

Length45.0 ft

Height (incl. A/C)13.3 ft

Width8.4 ft

Interior height6.9 ft

GVWR52,000 lb

Dry weightnot published

Sleeps5

Slide-outs4

Fresh water100 gal

Grey water100 gal

Black water55 gal

Air conditioning30,000 BTU

Fuel150 gal

Generator10.0-kW Onan Quiet Diesel

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

WHERE PEOPLE SLEEP

1× Rear power Smart King bed(Permanent)72×80
1× Air coil sofa bed with lift TV(Convertible)—
1× Booth dinette/sleeper(Convertible)—

HOW IT'S BUILT: 4/5

WallsLaminated fiberglass

FrameAluminum

RoofWalk-on

UnderbellyEnclosed

Tiffin (Better tier): Tiffin Motorhomes

YEAR BY YEAR: WHAT CHANGED

YEARS	GVWR	DRY	MSRP
2022	51,000 lb	—	$688,743
2023–25	52,000 lb	—	$688,743

2022Introduced
2023GVWR raised to 52,000 lb; 440 sq ft with slides out
2025Final model year

FINDING ONE

Patient search: weeks of watching, and probably some travel. Why: priced at the top of its maker’s range. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Front-lounge 45-footer that ran four model years alongside the OPP before the 45 BP took the slot.

OTHER ALLEGRO BUS FLOORPLANS

35 CP · 41,000 lb · sleeps 3 36 AP · 42,000 lb · sleeps 3 36 QSP · 36,600 lb · sleeps 4 37 AP · 41,000 lb · sleeps 4 40 AP · 41,000 lb · sleeps 4 40 IP · 42,000 lb · sleeps 4 40 QBP · 37,600 lb · sleeps 4 40 QXP · 44,600 lb · sleeps 4 40 SP · 40,000 lb · sleeps 4 43 QBP · 54,500 lb · sleeps 4 43 QGP · 50,900 lb · sleeps 4 43 QRP · 54,600 lb · sleeps 4 45 BP · 52,000 lb · sleeps 8 45 LP · 51,300 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 45 FP on the big marketplaces. Each search opens pre-filled with this exact floorplan:

RV Trader ↗Camping World ↗FB Marketplace ↗Google ↗

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

Is the 45 FP 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.