Tiffin Allegro Bus 45 UP

Name: Tiffin Allegro Bus 45 UP
Brand: Tiffin

Class Abuilt 2016–16Better build tierScarce on the used market

WHAT ONE COSTS

$246,000est. used (2016, 10 yr old)

Sticker was $462,357 in 2016. Out of production since 2016, so the used market is the only way to buy one. Estimate assumes a 2016 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

Engine / chassisCummins ISL 450 HP diesel, Allison 3000 MH 6-speed, PowerGlide tag axle

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 and discontinued in the same model year

FINDING ONE

Scarce: months of watching; be ready to fly and drive it home. Why: only one model year; 10 years out of production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

One-year-only 2016 45-footer and the rarest Allegro Bus floorplan of the modern era; GVWR carried from its sibling 45s.

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 UP 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 UP 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 low-confidence record: figures are inferred and should be independently verified, retrieved 2026-07.