2021 Thor Motor Coach ACE
Only 3 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 3 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 3
- Recalls
- 1
- Investigations
- 0
- Top problem
- —
Too few to rank
Campaigns on file for 2021
None on file
Not enough data
Complaints per year
2021: 3 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 3 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Electrical system
2 of 3 total reports mention: electrical system.
Show complaint excerpts
Air conditioner compressor wouldn't engage in rv. Called a mobile technician. Mobile technician found burnt and melted connectors on the control board.
NHTSA ODI report, 2024-07-08
Returning home from trip, route US I26 in NC, heading down 6 degree hill lost all speed control. The following dash lights came on: ABS, Engine Service, the Wrench, anti sway control.
NHTSA ODI report, 2021-10-28
Vehicle speed control
1 of 3 total reports mentions: vehicle speed control.
Suspension
1 of 3 total reports mentions: suspension.
Show complaint excerpts
The contact owns a 2021 Thor Motor Coach Ace RV. The contact received notification of NHTSA Campaign Number: 21V202000 (Suspension, Power Train) however, the part to do the recall repair was not yet available.
NHTSA ODI report, 2021-10-04
Also filed under Power train
Power train
1 of 3 total reports mentions: power train.
Engine
1 of 3 total reports mentions: engine.
Safety timeline
1 recall · 0 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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R
2020-07-10Visibility20V339000 Thor Motor Coach (TMC) is recalling certain 2020-2021 ACE, 2021 Four Winds and 2020 Gemini, Axis, Compass, Delano, Windsport, Hurricane, Outlaw, and Vegas motorhomes.
Remedy: TMC will notify owners, and dealers will inspect the frameless windows for proper adhesive bond strength, replacing the windows as necessary, free of charge. The recall began July 10, 2020.
Buy-smart checklist
2021 Thor Motor Coach ACE — pre-purchase inspection
Inspect
- Electrical system: 2 reports on file for this year.
- Vehicle speed control: 1 report on file for this year.
- Suspension: 1 report on file for this year.
Verify these recalls were completed
- Recall 20V339000 · Visibility
FAQ
- Is the 2021 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 2021 Thor Motor Coach ACE?
- The most-reported component is electrical system, accounting for 67% of complaints on file.
- How many recalls does the 2021 Thor Motor Coach ACE have?
- 1 recall on file for this model year.
Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.