When it worked. And, could be used. And had gas. And spare parts.
Meanwhile, Shermans and T-34s scurried all around Europe like cockroaches on a tenement floor. They had their problems, too, but they (mostly) worked when needed.
Not trying to hijack the thread, however, what little I know about the subject I learned on a pbs documentary. Apparently more Tigers were destroyed by their own crew because they were broken down and did not want the intact tank to fall into the hands of the Allies than the allies destroyed themselves.