2018 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
- 5
- Recalls
- 3
- Investigations
- 0
- Top problem
- —
Too few to rank
Campaigns on file for 2018
None on file
Not enough data
Complaints per year
2018: 5 complaints
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.
Visibility/wiper
1 of 5 total reports mentions: visibility/wiper.
Suspension
1 of 5 total reports mentions: suspension, most commonly citing wheel bearing.
Show complaint excerpts
The contact owns a 2018 Thor Ace RV. The contact stated that while driving 70 MPH, the vehicle suddenly veered to the right and the driver was no longer able to properly steer the vehicle.
NHTSA ODI report, 2024-04-26
Steering
1 of 5 total reports mentions: steering.
Show complaint excerpts
Tl* the contact owns a 2018 thor ACE. While driving various speeds, the steering wheel was extremely loose, the auxiliary battery overheated, and the vehicle decelerated. In addition, the check engine warning indicator illuminated.
NHTSA ODI report, 2018-07-18
Also filed under Engine
Power train
1 of 5 total reports mentions: power train, most commonly citing automatic transmission.
Show complaint excerpts
Transmission down shifts excessively on downhill grades
NHTSA ODI report, 2024-03-30
Engine
1 of 5 total reports mentions: engine.
Safety timeline
3 recalls · 0 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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2017-11-21Exterior lighting17V692000 Thor Motor Coach (TMC) is recalling certain 2018 Ace, Axis, Hurricane, Windsport, and Vegas motorhomes.
Remedy: Thor has notified owners and dealers will re-wire a new connector, free of charge. The recall began on November 21, 2017. Owners may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000148.
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2018-01-15Equipment17V758000 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.
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2018-08-22Equipment18V498000 Thor Motor Coach (TMC) is recalling certain 2018 Thor Ace 27.2 recreational vehicles. The rubber liquid propane (LP) hose may sag and contact the tire in the wheel well.
Remedy: TMC will notify owners, and dealers will inspect the rubber LP hose and replace it as necessary. Dealers will install additional p-clamps or relocate the existing p-clamps to properly secure the hose, free of charge.
Buy-smart checklist
2018 Thor Motor Coach ACE — pre-purchase inspection
Inspect
- Visibility/wiper: 1 report on file for this year.
- Suspension: 1 report on file for this year.
- Steering: 1 report on file for this year.
Verify these recalls were completed
- Recall 17V692000 · Exterior lighting
- Recall 17V758000 · Equipment
- Recall 18V498000 · Equipment
FAQ
- Is the 2018 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 2018 Thor Motor Coach ACE?
- The most-reported component is visibility/wiper, accounting for 20% of complaints on file.
- How many recalls does the 2018 Thor Motor Coach ACE have?
- 3 recalls on file for this model year.
Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.