I ordered on Zuzuche to get a free tank of fuel, but it wasn't provided at pickup. They changed it to full-to-full without notice.

At the car rental hall in San Francisco Airport, we waited in a very short line before reaching the counter. The staff was very friendly. However, we had booked a Ford Edge SUV, but the staff at the counter told us that it was no longer available and insisted we upgrade to a Dodge SUV for an extra $5 per day. We saw similar complaints online before our trip, but had no choice but to pay the extra and take the car. However, when we got to the pick-up area, we saw a Ford Edge available, which left us feeling quite upset. It turns out that even big companies like AVIS in the US aren't always reliable.

Returning a car with Avis is quite convenient. Sometimes, young staff members will recommend upgrades, which can be worthwhile. For example, I paid an extra $10 per day to upgrade to a GMC Yukon, and it was totally worth it. However, if an older staff member helps you, they often lack the knowledge to offer any useful recommendations. For instance, they might class a Ford Expedition the same as a Chevy Tahoe, but the Expedition has a noticeably smaller cabin. While the Ford might handle better, if I cared about handling, I wouldn't choose a large vehicle. Most in-office staff are nice, but the people at the exit lot, whether Mexican or Chinese, act pretentious. That's a definite negative. You're just a parking lot attendant, there's no need to act superior, especially to Chinese customers. Because of this, I will never rent from Avis again. They are the most expensive and don't offer better service! Avis mostly lacks Chevy Tahoes!

The rental process is convenient.

We rented cars from this company for three separate legs of our self-driving trip in the USA. We chose this big company for its reputation, and everything went smoothly.