Thor Motor Coach Quantum problems by model year

Updated from NHTSA data · How we count

NHTSA has 5 owner complaints and 19 recalls on file for the Thor Motor Coach Quantum (2016–2026).

Complaints
5
Recalls
19
Model years
11
Worst year
—

Complaints by model year

201620172018201920202021120221202322024120252026
NHTSA complaints per Thor Motor Coach Quantum model year. Click a bar for details.

Newer model years have had less time on the road, so they naturally have fewer complaints. Compare a year against its neighbors rather than against brand-new models.

Every Thor Motor Coach Quantum model year

YearComplaintsCrashesFiresInjuriesRecallsTop problem
2026 Quantum00001—
2025 Quantum10002Wheels & Tires
2024 Quantum20001Electrical System
2023 Quantum10002—
2022 Quantum10002Wheels & Tires
2021 Quantum00004—
2020 Quantum00007—
2019 Quantum00003—
2018 Quantum00002—
2017 Quantum00003—
2016 Quantum00001—

Most common Thor Motor Coach Quantum problem areas (all years)

  • Electrical System
    2 complaints
  • Wheels & Tires
    2 complaints
  • Engine
    1 complaints
  • Lighting
    1 complaints
  • Transmission & Drivetrain
    1 complaints

Thor Motor Coach Quantum recalls

  • Recall 25V709000Oct 17, 2025527 vehiclesModel years 2025–2026

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

  • Recall 25V171000Mar 20, 20254,251 vehiclesModel years 2023–2025

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

  • Recall 22V611000Aug 10, 2022262 vehiclesModel years 2022–2023

    Risk: An awning that drops or extends beyond normal operation can increase the risk of injury.

  • Recall 22V300000May 5, 20223,374 vehiclesModel years 2022

    Risk: A gas leak in the presence of an ignition source can increase the risk of a fire.

  • Recall 20V711000Nov 17, 20201,074 vehiclesModel years 2021

    Risk: Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.

  • Recall 20V444000Jul 29, 2020463 vehiclesModel years 2021

    Risk: If the wiring harness is damaged, the side air bag within the seat may deploy inadvertently or not deploy as designed in the event of a crash, increasing the risk of injury to vehicle occupants.

  • Recall 20V419000Jul 20, 202063 vehiclesModel years 2021

    Risk: Battery cable contact with the exhaust manifold and heat shield can increase the risk of a fire.

  • Recall 20V312000May 28, 2020566 vehiclesModel years 2020

    Risk: If the brake fluid leaks, this may extend the braking distance, increasing the risk of a crash.

  • Recall 20V303000May 27, 202034 vehiclesModel years 2020–2021

    Risk: Damage to the fuel pump circuit in the wiring harness could result in an unexpected engine stall. Damage to the ABS wiring can lead to reduction of ABS functionality and a loss of roll stability control (RSC) functionality. These scenarios increase the risk of a crash.

  • Recall 20V308000May 27, 2020566 vehiclesModel years 2020

    Risk: If a customer were to rely on the Auto-P function as described in the Operator's Manual, the possibility of a vehicle rollaway or unintended vehicle movement cannot be ruled out which could increase the risk of a crash.

  • Recall 20V178000Mar 25, 202022 vehiclesModel years 2020

    Risk: If the driveshaft separates, there may be a loss of drive, increasing the risk of crash. Additionally, if the parking brake is not applied, unintended vehicle movement can occur if the transmission is left in Park, increasing the risk of injury or crash.

  • Recall 19V775000Oct 28, 2019378 vehiclesModel years 2020

    Risk: Without the seatbelt warning reminder, the driver may forget to fasten the seatbelt, increasing the risk of injury in the event of a crash.

  • Recall 19V714000Oct 8, 2019101 vehiclesModel years 2019–2020

    Risk: An inadvertently overloaded motorhome due to an incorrect carrying capacity can increase the risk of a crash.

  • Recall 19V609000Aug 20, 20191,941 vehiclesModel years 2020

    Risk: The loose connection can causing arcing, increasing the risk of a fire.

  • Recall 19V215000Mar 20, 201997 vehiclesModel years 2018–2019

    Risk: Without mid-ship marker lights, other drivers may underestimate the length of the vehicle, increasing the risk of crash.

  • Recall 18V385000Jun 8, 2018691 vehiclesModel years 2019

    Risk: The loose U-bolts may further loosen or break allowing the axle to separate and cause a loss of control, increasing the risk of a crash.

  • Recall 17V758000Nov 22, 2017110,400 vehiclesModel years 2016–2018

    Risk: In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

  • Recall 17V264000Apr 20, 201736 vehiclesModel years 2017

    Risk: Should the step circuit be overloaded, the breaker may not trip as intended, increasing the risk of a fire.

  • Recall 16V869000Dec 2, 201632 vehiclesModel years 2017

    Risk: If the mid-ship marker light is missing, other drivers can mistake the length of the vehicle, increasing the risk of a crash.

Other Thor Motor Coach models

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology