Tiffin Zephyr 45 LZ

Name: Tiffin Zephyr 45 LZ
Brand: Tiffin

Class Abuilt 2013–14Better build tierScarce on the used market

WHAT ONE COSTS

$277,100est. used (2014, 12 yr old)

Sticker was $561,939 in 2013. Out of production since 2014, so the used market is the only way to buy one. Estimate assumes a 2014 unit.

THE SPECS

Length44.9 ft

Height (incl. A/C)12.8 ft

Width8.4 ft

Interior height7.0 ft

GVWR48,600 lb

Dry weightnot published

Sleeps4

Fresh water90 gal

Grey water70 gal

Black water50 gal

Fuel150 gal

Engine / chassisCummins ISX 11.9L 500 HP / Allison 4000 MH on Spartan K2 tag-axle chassis

Generator12.5 kW Onan Quiet Diesel

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

WHERE PEOPLE SLEEP

1× Rear king(Permanent)72×80
1× Sofa sleeper(Convertible)—
1× Freestanding 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

2013Introduced with the ISX 11.9L 500 HP and GVWR 48,600
2014Final year

FINDING ONE

Scarce: months of watching; be ready to fly and drive it home. Why: only 2 model years; 12 years out of production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

The L-lounge Zephyr - all-electric coach with hydronic heat and 165 cu ft of basement.

OTHER ZEPHYR FLOORPLANS

45 DZ · 48,600 lb · sleeps 4 45 FZ · 54,000 lb · sleeps 5 45 MZ · 51,000 lb · sleeps 4 45 OZ · 50,000 lb · sleeps 4 45 PZ · 54,000 lb · sleeps 5 45 QBZ · 46,600 lb · sleeps 4 45 TZ · 48,600 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 45 LZ 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 Zephyr line ↗

Is the 45 LZ 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.