Tiffin Allegro Bus 45 OP

Name: Tiffin Allegro Bus 45 OP
Brand: Tiffin

Class Abuilt 2016–18Better build tierScarce on the used market

WHAT ONE COSTS

$322,800est. used (2018, 8 yr old)

Sticker was $564,807 in 2018. Out of production since 2018, so the used market is the only way to buy one. Estimate assumes a 2018 unit.

THE SPECS

Length45.0 ft

Height (incl. A/C)12.6 ft

Width8.4 ft

Interior height7.0 ft

GVWR51,000 lb

Dry weightnot published

Sleeps4

Fresh water90 gal

Grey water70 gal

Black water50 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 king bed(Permanent)72×80
1× Sofa bed(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

2016Introduced
2018Final model year

FINDING ONE

Scarce: months of watching; be ready to fly and drive it home. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

The 45-footer that came just before the OPP; same tag-axle chassis, one less half bath.

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 FP · 52,000 lb · sleeps 5 the whole line →

Find one for sale

Live listings for the 45 OP 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 OP 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 dealer and aggregator listings, retrieved 2026-07.