2018 Thor Motor Coach Vegas: common problems
Owners of the 2018 Thor Motor Coach Vegas filed 4 complaints with NHTSA, most often about visibility and electrical system. The maker issued 2 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 4
- Technical service bulletins (TSB)
- 2
What fails most often
- 1 Visibility 50% of all complaints
- 2 Electrical system 25% of all complaints
- Visibility: 2 complaints (50% of all); manufacturer bulletins for this component: 1.
- Electrical system: 1 complaints (25% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Visibility | 2 | 0 | 1 |
| Electrical system | 1 | 0 | 0 |
| Equipment | 0 | 0 | 1 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Driver side wiper sweep angle does not fully clear the field of view.
1. Problem: main power (connect) switch doesnât communicate It shows there is power to the coach but IT DOES NOT SHOW whether or not the main power is connected to the chassis (motor) battery. I have been stranded with a dead chassis battery because of Thorâs neglect to use a communicative power switch.
Dirver's side windshield wiper does not clear the driver's field of view. The wiper stops at about the 1 o'clock position leaving a large portion of the windshield obscured. Thor motor coach has been contacted on this matter but has yet to provide a reasonable fix or reply.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 15,521 of 36,656 model years in the NHTSA data (top 42% most complained about).
On average one model year of the Vegas has 1 complaints (9 years in the data). This year has 4, above average.
What to check before buying
- Visibility. Wipers, mirrors, defrosters, cracked glass.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- It has been determined that certain 2016-2018 XS/VS equipped with a Wexco butterfly wiper system may…
It has been determined that certain 2016-2018 XS/VS equipped with a Wexco butterfly wiper system may experience a wiper sweep angle that does not fully clear the field of view for the driver.
- This letter stated that there was one (1) Service Notification issued for the month of October, 2017
Other years of this model
Questions and answers
What are the most common problems with the 2018 Thor Motor Coach Vegas?
Owner complaints to NHTSA most often mention: visibility, electrical system. Total complaints: 4.
How many service bulletins (TSB) were issued for the 2018 Thor Motor Coach Vegas?
NHTSA lists 2 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2018 Thor Motor Coach Vegas from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2018 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.