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Tiffin Zephyr 45 OZ

Class Abuilt 2016–18Better build tierScarce on the used market
WHAT ONE COSTS
$374,900est. used (2018, 8 yr old)

Sticker was $640,920 in 2017. Out of production since 2018, so the used market is the only way to buy one. Estimate assumes a 2018 unit.

THE SPECS
Length44.9 ft
Height (incl. A/C)12.9 ft
Width8.4 ft
Interior height7.0 ft
GVWR50,000 lb
Dry weightnot published
Sleeps4
Fresh water90 gal
Grey water70 gal
Black water50 gal
Generator12.5 kW Onan Quiet Diesel

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

WHERE PEOPLE SLEEP
  • Rear king(Permanent)72×80
  • Sofa sleeper(Convertible)
  • Dinette(Convertible)
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyEnclosed

Tiffin (Better tier): Tiffin's 45-foot flagship tag-axle diesel pusher, above the Allegro Bus in the Red Bay line.

YEAR BY YEAR: WHAT CHANGED
  • 2016Introduced; the sole Zephyr floorplan for 2017
  • 2017GVWR 50,000, GCWR 65,000, min garage height 13'5"
  • 2018Last year before the PowerGlide 45 MZ / 45 PZ
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 Freightliner-chassis Zephyr - the only years Tiffin didn't build the Zephyr's own chassis.

OTHER ZEPHYR FLOORPLANS
Find one for sale

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

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

Is the 45 OZ 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.

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Data compiled from dealer and aggregator listings, retrieved 2026-07.