What is the Lincoln MKX top speed?

I don’t know why, but my 2018 Buick Enclave shudders when accelerating. What could cause that?

So my dear friend—we’ll call her “Gladys”—recently entered the witness protection program. She was cagey about where she was going, only saying she’s looking forward to settling in “that Mardi Gras state.” She did say she wanted some wheels to help her “blend in,” though. What's the most common car in Louisiana?

Is there a way to negotiate with Tesla when buying a new car like you would at a normal car dealership, or do you just have to accept the listed price? I want to buy a Tesla but I prefer to haggle over car prices because I can usually get a lower price.