Menu

2025 Thor Motor Coach QuantumProblems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2025 Thor Motor Coach Quantum, most often about the tires. It is covered by 2 safety recalls, and for recall 25V-171 the manufacturer reports only 55% of affected cars repaired.

–
CarFlaw IndexToo new to rateHigher is better (0–100)
Safety recalls2Lowest repair rate 55%Owner complaints10 with a crash, fire or injuryTop problem1Tires

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 25, 2026. Updated daily.

Complaints by system

Where the 2025 Thor Motor Coach Quantum has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Tires10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2025 Thor Motor Coach Quantum recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

61%repaired · 2026 Q3

Lpg systems: lines and fittings

Recall 25V-709 · Oct 17, 2025 · 527 vehicles · 323 repaired

Risk. A LP hose that contacts the generator exhaust increases the risk of a fire.

Problem, fix and repair progress →

55%repaired · 2026 Q3

Equipment: recreational vehicle/trailer

Recall 25V-171 · Mar 20, 2025 · 4,251 vehicles · 2,341 repaired

Risk. A slide-Out room that extends unexpectedly increases the risk of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Thor Motor Coach.

Best & worst years

2025 vs. every other Quantum year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Quantum median. How we score

'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Quantum owners report

Recent tires complaints filed with NHTSA, shortened. Personal details are removed.

Three original equipment Hankook Dynapro HT tires developed belt-related failures at approximately 6,000 miles of use during a road trip in June 2026. On [XXX], while driving in Tennessee, we noticed a vibration that gradually increased in intensity. We stopped for inspection at C&D Tire & Service…
Complaint 11752798 · Jul 25, 2026

Own a 2025 Quantum?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.