America's Mexican fast food scene is constantly evolving. Though big chains like Taco Bell and Chipotle are still as popular as ever, more traditional restaurants – both old and new – are answering a call for more authentic menus and a wider choice of dishes. To help you in your quest for excellent Mexican food on the go, we've rounded up 38 of the best Mexican fast food restaurants across the country, from major chains to tiny food trucks.

Click or scroll through our gallery to discover the most fantastic Mexican fast food restaurants the USA has to offer – counting down to the best of all.

We've based our ranking on the enduring popularity of each restaurant or chain, verified diner reviews, and on the opinions of our well-traveled (and well-fed) team. The list is unavoidably subjective.