What is the difference from American cars and Mexican cars?

There's no single category of "Mexican cars." Mexico doesn't produce cars under a single national brand in the way some countries might have in the past. Instead, Mexico is a major hub for *manufacturing* cars for many *global* brands. Many cars sold in the US and elsewhere are actually *made* in Mexico.

The difference you might be noticing, then, isn't a difference between "American cars" and "Mexican cars," but rather a difference based on:

* Brand: A Ford Focus made in Mexico will be largely the same as a Ford Focus made in the US (or elsewhere). The differences might be minor variations in parts sourcing or assembly processes, which are usually not apparent to the average consumer.

* Model/Trim Level: A higher-end luxury car, even if built in Mexico, will likely have different features and a higher price point than a basic economy car, regardless of where it is manufactured. This difference is related to the model itself, not the country of origin.

* Regulations and Safety Standards: While cars manufactured in Mexico generally adhere to US safety and emissions standards (if they're intended for sale in the US), there might be minor differences based on the specific regulations of the market they are intended for.

In short, the country of *manufacture* doesn't usually define the car's characteristics as much as the *brand*, *model*, and its intended *market*. A "Mexican-made" car could be a high-end luxury vehicle or a budget-friendly compact, and there's no inherent quality difference just from the manufacturing location.