WebsiteNumber of 3 Star HotelsNumber of Car Rentals Hotwire 279 195 Priceline 230 221 Orbitz 5,543 425 Kayak 239 1,459 Google 168 N/A Expedia 5,543 425 Bottom Line Hotwire is a great option for finding big discounts, especially for its Hot Rate hotel deals. You won't earn program-sp...