Muchachos offers authentic Mexican cuisine featuring generous portions of tacos, burritos, quesadillas, and nachos, appreciated for their flavorful and juicy meats. The restaurant is popular for Taco Tuesdays with $3 tacos, drawing crowds despite occasional service and portion inconsistencies. While the ambiance is casual and lively, some reviews mention issues with service quality, cleanliness, and food temperature. Prices are generally reasonable, but portion sizes and quality have varied over time. Overall, it remains a favored spot for Mexican food enthusiasts seeking a casual, tasty, and affordable dining experience in Singapore.