Thor Motor Coach MAGNITUDE problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
15 owner complaints analyzed
10 distinct recall campaigns
6,671 mi median reported failure mileage
Scope: 2019 to 2025 model years. Data snapshot: . 3 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Structure:Body is the most frequently named component, appearing in 8 of 15 complaints (53.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 2 | 13.3% |
| Electrical and battery issues | 2 | 13.3% |
| Braking behavior | 1 | 6.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Structure:Body | 8 |
| Electrical System | 4 |
| Equipment:Recreational Vehicle/Trailer | 3 |
| Power Train | 3 |
| Unknown Or Other | 3 |
| Equipment:Electrical:Accessory Generator:Solar Panel | 2 |
| Forward Collision Avoidance: Warnings | 2 |
| Back Over Prevention: Warnings | 1 |
Structure:Body: 8; Electrical System: 4; Equipment:Recreational Vehicle/Trailer: 3; Power Train: 3; Unknown Or Other: 3; Equipment:Electrical:Accessory Generator:Solar Panel: 2; Forward Collision Avoidance: Warnings: 2; Back Over Prevention: Warnings: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 1; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (2). 12 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 2 |
2020: 1; 2021: 3; 2022: 4; 2023: 2; 2024: 1; 2025: 2; 2026: 2
Pattern summary
Structure:Body leads the component reports. Transmission and shifting appears in 2 complaint narratives. Electrical and battery issues appears in 2 complaint narratives. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11384080 · 2020-12-18 (December 18, 2020)
TL* THE CONTACT OWNS A 2021 THOR MAGNITUDE BB35 BUILT ON A 2020 FORD F-550 CHASSIS N/A. THE CONTACT STATED WHILE STATIONARY AT A TRAFFIC LIGHT, WHILE THE DEPRESSING THE ACCELERATOR PEDAL, THE RV MADE AN ABNORMAL NOISE AND STARTED TO ROLL BACKWARDS. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE CONTACT STOPPED THE RV BY DEPRESSING THE BRAKE PEDAL. WHILE SHIFTING TO PARK, THE RV CONTINUED TO ROLL BACKWARDS. THE CONTACT STATED HE USED THE PARKING BRAKES TO KEEP THE RV FROM MOVING. THE RV WAS TAKEN TO WAY SCARFF FORD COMMERCIAL TRUCKS (1…
Owner-reported narrative. 6,671 miles reported. Look up ODI 11384080 at NHTSA ↗
Owner report 11473298 · 2022-07-11 (July 11, 2022)
On July 4th I was merging into traffic onto I90W when my vehicle warning lights started flashing across the full spectrum. The gear shift show no indication of gear position and the Rv appeared to have jumped into neutral as I was accelerating and merging. The vehicle would not move forward causing full lane closure. I was flat towing a 2010 Jeep Wrangler. Law Enforcement arrived on scene and immediately had the vehicle towed due to interstate lane closure (safety issue). The Rv was towed to Rudig Jensen Ford in New Lisbon Wisconsin. Over…
Owner-reported narrative. Look up ODI 11473298 at NHTSA ↗
Owner report 11527258 · 2023-06-15 (June 15, 2023)
A wiring harness was found pinched, pins bent and broken, apparently in the process of mating the motorhome body to the cassis cab. This cable has power in it and could result in a vehicle fire. Thor has been completely unresponsive in assisting me, despite acknowledging it’s out of warranty, and I simply needed verification of their integration to the chassis, to reassure the after market warranty that this wasn’t something “tampered with”. As a retired fire fighter, I have seen the result of RV fires. They burn fast, and people die. I felt I…
Owner-reported narrative. Look up ODI 11527258 at NHTSA ↗
Owner report 11689266 · 2025-09-23 (September 23, 2025)
Rear house battery tray weld failed, tray fell and hit the ground, damaging BIM, various cables etc. Identical to Recall 19V-566 (2019–2020) but not included for 2021. Safety concern: Batteries may detach on roadway, cause shorts/fire, or total power loss.
Owner-reported narrative. Look up ODI 11689266 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 0 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
2019: 5; 2020: 5; 2021: 0; 2022: 2; 2023: 2; 2024: 2; 2025: 1