Highly recommended! If you're looking to rent a car in Nuevo Laredo, come here to Sixt (1203 Benito Juárez Av.), the staff are friendly, professional, and accommodating The prices are reasonable, and they have a nice selection of cars. I rented an economy car, a Chev Aveo. It was very clean, in great shape, drove really smooth, really strong a.c., and great on gas. I drove from Nuevo Laredo to Monterrey and back on one tank of gas, basically. The car drove great, no issues. I had a nice trip. I didn't pay extra for the mileage; I used around 400 kilometres, which was included in the rental price.
This company has been in Nuevo Laredo for many years and offers quality service at competitive rates. It's great if you're just walking across the border into Nuevo Laredo; it's a 10-minute walk from the border. Just book a few days ahead (call number shown on Google, English is a bit limited, so try speaking Spanish, or use Google Translate in conjunction with WhatsApp). I got lucky when I walked in without a reservation. They use WhatsApp too, which is great to keep in contact with them in case of issue on road or running late. When renting, they'll authorize a specific amount on your credit card as a security deposit, they don't take that money, the authorization will expire once the car is returned. They'll charge you the rental cost once you return the vehicle. Keep in mind that they charge a late fee if returning car after the 24-hour rental time, basically up to the cost of another 24-hours (another day's rental cost). It's still very reasonably priced. They're not unreasonable, and they actually gave me a discount when I returned it late.
Overall, it was a great car rental experience; it was easy, fast, and very welcoming. I'll definitely rent from them again. THANKS! Peter B.