2015 Thor Motor Coach ACE
Only 5 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 5 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 0 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
KNOWN PROBLEM AREAS
Only 5 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
2 of 5 total reports mention: electrical system.
FIREShow complaint excerpts
We have been experiencing multiple issues with the electrical system in our RV. There was a serious safety event to took place, where the wiring box under the bed created smoke and we could smell plastic burning.
NHTSA ODI report, 20250114
AFTER SMELLING A BURNT SMELL, I INVESTIGATED AND FOUND BURNT AND MELTED WIRE NUTS WITHIN THE POWER TRANSFER SWITCH. NUMEROUS SAME ISSUES ARE REPORTED ON THE THOR RV BLOG SITE.
NHTSA ODI report, 20180729
1 of 5 total reports mentions: structure.
Show complaint excerpts
TL* THE CONTACT OWNS A 2015 THOR MOTOR COACH ACE. WHEN THE CONTACT ATTEMPTED TO OPEN THE MAIN ENTRANCE DOOR, THE LATCHED FAILED TO OPEN AND FRACTURED. THE CONTACT HAD TO USE PLIERS TO GET THE LOCK TO TURN, BUT FAILED.
NHTSA ODI report, 20170905
1 of 5 total reports mentions: structure.
Show complaint excerpts
DOOR LATCH FAILED. WAS NOT ABLE TO EXIT VEHICLE. LATCH BROKE SO THAT LEVERS DID NOT ACTUATE THE LATCH.
NHTSA ODI report, 20180526
1 of 5 total reports mentions: latches/locks/linkages.
Show complaint excerpts
CSPC: RV DOOR LATCH BROKE. WAS NOT ABLE TO EXIT THE VEHICLE. LATCH FRACTURED AND COULD NOT BE ACTUATED BY THE HANDLES. *DT *JS *TT
NHTSA ODI report, 20180531
SAFETY TIMELINE
Thor Motor Coach (Thor) is recalling certain model year 2012-2017 Ace, 2013 Citation, 2012-2013 Siesta and 2017 Four Winds and Road Bear Rental motorhomes.
Remedy: Thor will notify owners, and dealers will replace the shower curtains with curtains made with fire retardant, free of charge. The recall began on September 15, 2016. Owners may contact Thor customer service at 1-877-500-1020.
Campaign 16V571000 — check if this car was fixed
Thor Motor Coach (TMC) is recalling certain 2014-2015 ACE, Hurricane, Challenger, Daybreak, Miramar, Outlaw, and Windsport motorhomes.
Remedy: TMC has notified owners, and dealers will inspect and tighten the wiper arm securing nuts, free of charge. The recall began on May 5, 2017. Owners may contact TMC customer service at 1-877-855-2867.
Campaign 17V162000 — check if this car was fixed
Thor Motor Coach (TMC) is recalling certain 2014-2016 Ace, Challenger, Daybreak, Hurricane, Miramar, Outlaw, Windsport, Palazzo, Tuscany, and Tuscany XTE motorhomes.
Remedy: TMC will notify owners, and dealers will inspect the wiper system to verify it is installed correctly, repairing or replacing the system as necessary, free of charge. The recall began on September 27, 2017.
Campaign 17V555000 — check if this car was fixed
Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers.
Remedy: Thor will notify owners, instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began on January 15, 2018.
Campaign 17V758000 — check if this car was fixed
Trimark 060-1650 Door Latch Failures
BUY-SMART CHECKLIST
2015 Thor Motor Coach ACE — pre-purchase inspection
- Test/inspect for electrical system issues (2 reports on file for this year).
- Test/inspect for structure issues (1 reports on file for this year).
- Test/inspect for structure issues (1 reports on file for this year).
- Verify recall 16V571000 (equipment) has been completed.
- Verify recall 17V162000 (visibility) has been completed.
- Verify recall 17V555000 (visibility) has been completed.
- Verify recall 17V758000 (equipment) has been completed.
FAQ
Is the 2015 Thor Motor Coach ACE reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2015 Thor Motor Coach ACE?
The most-reported component is electrical system, accounting for 40% of complaints on file.
How many recalls does the 2015 Thor Motor Coach ACE have?
4 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.