‘You save money. That’s it’: Expert shows what really happens when you put regular gasoline in a luxury car that lists premium

Imagine this: You recently bought a luxury vehicle. After the purchase, however, you discover a recommendation to use premium gasoline with your particular make and model. 

But do you really need to fork over extra cash every time you fill your gas tank? Or can you still use regular in a vehicle that calls for premium? 

That’s the question that Aeschbach Auto (@aeschbachauto), a small auto repair shop based out of Wisconsin, recently answered in a now-viral TikTok. In the nearly minute-long clip...