For the 18th consecutive year, Avis Car Rental has been ranked the No. 1 car rental company in the Brand Keys Customer Loyalty Engagement Index.

The 2017 study examined brands in 83 categories. Avis received the highest marks in the car rental category by ranking first across all four behavioral engagement drivers, including empathetic customer service; comprehensible pricing discounts and options; convenience, expertise and reputation; and offering a wide range of connected and reliable features and vehicles.

"Being voted the top car rental company for the 18th consecutive year is a testament to the hard work and dedication of Avis employees," said Scott Deaver, executive vice president and chief marketing officer, Avis Budget Group. "Whether it's offering customers innovative solutions to give them more control and flexibility over the car rental experience, providing high-quality vehicles that meet renters' needs, or delivering premium service at each of our rental facilities, Avis employees are instrumental in driving customer loyalty and retention."