Thor Motor Coach Tuscany 45MX

Name: Thor Motor Coach Tuscany 45MX
Brand: Thor Motor Coach

Class Abuilt 2020–23Mixed build tierFindable on the used market

WHAT ONE COSTS

$403,200est. used (2023, 3 yr old)

Sticker was $650,850 in 2023. Out of production since 2023, so the used market is the only way to buy one. Estimate assumes a 2023 unit.

THE SPECS

Length44.8 ft

Height (incl. A/C)12.8 ft

Width8.4 ft

Interior height7.0 ft

GVWR46,000 lb

Dry weightnot published

Sleeps7

Slide-outs3

Fresh water91 gal

Grey water70 gal

Black water51 gal

Awning19.7 ft

Fuel150 gal

Engine / chassisCummins ISL 8.9L 450 HP on Freightliner XC-R with Atlas Foundation

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

WHERE PEOPLE SLEEP

1× Rear king bed(Permanent)72×80
1× Power drop-down overhead bunk(Stow-away)—
1× Sofa bed(Convertible)—

HOW IT'S BUILT: 4/5

WallsLaminated fiberglass

FrameSteel

RoofWalk-on

UnderbellyEnclosed

Thor Motor Coach (Mixed tier): Thor Industries

YEAR BY YEAR: WHAT CHANGED

2020Introduced
202245BX bunk plan added alongside it

FINDING ONE

Findable: a few listed nationwide most weeks. Why: Thor Motor Coach is a volume manufacturer. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Tag-axle couples coach with a dual-sink vanity, bath-and-a-half, full-wall slide and washer/dryer. Optional desk or buffet changes the sleeping count.

OTHER TUSCANY FLOORPLANS

34ST · 32,400 lb · sleeps 6 36MQ · 32,400 lb · sleeps 5 36UF · 32,350 lb · sleeps 4 38SQ · 38,600 lb · sleeps 4 40AX · 35,320 lb · sleeps 6 40BX · 35,320 lb · sleeps 8 40DX · 38,600 lb · sleeps 5 40EX · 32,400 lb · sleeps 6 40GQ · 32,400 lb · sleeps 6 40KQ · 38,600 lb · sleeps 4 40LX · 32,350 lb · sleeps 4 40RT · 38,600 lb · sleeps 6 40RX · 37,600 lb · sleeps 4 40WD · 32,350 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 45MX 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 Tuscany line ↗

Is the 45MX 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.