As a Sales Consultant you are grossly underpaid compared to industry average, you spend a lot of time providing free appraisals where you only get paid if the customer sells the vehicle. If the car is used as a trade in, you only receive the commission for selling a car.
As a part time employee you have to keep a close eye on your customer history as full time employees will often help them if/when you're not there. As a full time consultant expect to work a minimum of 60 hours a week to make something resembling a healthy annual income.
Management is very inconsistent. Every Sales Manager have their own agenda and there's a strong level of favoritism happening at a consistent basis.
It is close to impossible to advance within the company from the position of Sales Consultant unless you drink all of the Cool Aid and ask for some more.
Managers will always point out something negative, even when providing what is supposed to be positive feedback. ("Good job, but here are all the things you could've done better")
The Fortune 100 best companies results are a joke, there are annual, monthly meetings where you're coached on how you should think of and answer the questions.