FaultScore

Thor Motor Coach ACE problems

Owners have filed 47 complaints about the Thor Motor Coach ACE with NHTSA across model years 2013 to 2023. More of them are about the electrical system than anything else.

Every Thor Motor Coach ACE year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

13 14 15 16 17 18 19 21 22 23
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2023 1 0 0 Windows, Mirrors & Wipers
2022 3 0 0 Brakes
2021 6 0 0 Electrical System
2019 5 0 0 19,000 Electrical System
2018 6 0 0 2,300 Engine & Cooling
2017 5 0 0 Electrical System
2016 8 0 0 7,600 Other & Unspecified
2015 5 0 1 Electrical System
2014 4 0 0 Brakes
2013 4 0 2 Brakes

What breaks on a Thor Motor Coach ACE

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Electrical System 9 19.1%

Worst in 2015

Other & Unspecified 6 12.8%

Worst in 2016

Body & Structure 5 10.6%

Worst in 2015

Doors, Latches & Locks 5 10.6%

Worst in 2016

Engine & Cooling 4 8.5%

Worst in 2013

Brakes 4 8.5%

Worst in 2013

Suspension 3 6.4%

Worst in 2018

Windows, Mirrors & Wipers 3 6.4%

Worst in 2014

Transmission & Drivetrain 2 4.3%

Worst in 2018

Fuel & Propulsion 2 4.3%

Worst in 2013

Steering 1 2.1%

Worst in 2018

Acceleration & Cruise Control 1 2.1%

Worst in 2021

Lights 1 2.1%

Worst in 2019

Tires 1 2.1%

Worst in 2017

Complaints filed over time

Every complaint about every Thor Motor Coach ACE, by the month it reached NHTSA.

Jun 2013 peak 7 Jan 2025

Compare the Thor Motor Coach ACE

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.