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Body and structurePart report

2018 Thor Motor Coach Tuscany Body and structure Problems

Complaints
3about this part
Share
60%of 5 total for the year
Median mileage
8,075miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the body and structure of the 2018 Thor Motor Coach Tuscany, 60% of the 5 complaints for this model year. Where a mileage was given, the median is 8,075 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Floors in the underside pass-through storage compartments and compartments holding the water tanks is composed of a very thin layer of plywood sandwiched between two layers of very thin aluminum. This material is not waterproof and has delaminated, causing the flooring to lose its rigidity. This area is normally used to store items like grills, chairs, carpets and other necessary items while traveling. It is also the only flooring under the water tanks. …”

NHTSA complaint #11329230, filed 2020-06, 10,150 miles

“The flooring in the underside pass-through storage compartments is composed of a very thin layer of plywood sandwiched between two layers of a very thin aluminum. This material is not waterproof and has separated causing the flooring to loose it's rigidity. This area is normally used to store items like grills, carpets tents and other necessities while traveling. These items has the floor weakens could possibly fall through on to the highway causing hazardous condition for the coach and other vehicles traveling on the highway. …”

NHTSA complaint #11325290, filed 2020-05, 6,000 miles

“On Sunday afternoon 20 June while traveling westbound on I-10 about 50 miles east of Ft. Stockton, TX, the passenger side rear slideout extended on its own. This slideout is about 2 feet deep so the width of my motor home suddenly changed from 8.5 feet wide to 10.5 feet wide. Fortunately there was little traffic on I-10 at this time. I was able to pull to the shoulder and used wood blocks in an effort to keep the slideout from extending. These blocks held until reaching Ft. Stockton where we were able to get off I-10 and into the first campground we came to. …”

NHTSA complaint #11441127, filed 2021-11

Body and structure: other model years

YearComplaintsShare of year
2018360%

Other parts of the 2018 Thor Motor Coach Tuscany

Electrical system
1 complaints
Equipment
1 complaints
Wheels
1 complaints

← All problems reported for the 2018 Thor Motor Coach Tuscany

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology