There are several cars with the best gas mileage, and the ranking may vary depending on the source and criteria used. Here are some of the cars with the best gas mileage according to the search results:

• 2023 Hyundai Santa Fe Hybrid: 76 MPGe and 33 mpg combined
• 2023 Toyota Corolla Hybrid: 50 mpg combined
• 2023 Hyundai Elantra Hybrid: 54 mpg combined
• 2023 Lexus NX Hybrid: 84 MPGe and 36 mpg combined
• 2023 Toyota Prius: 57 mpg combined
• 2023 Hyundai Tucson Hybrid: 80 MPGe and 35 mpg combined
• 2023 Mitsubishi Mirage Hatchback: 39 mpg
• 2023 Toyota Crown: 41 mpg
• 2023 Lexus ES 300h: 44 mpg
• 2023 Honda Accord Hybrid: 48 mpg

Its worth noting that the gas mileage may vary depending on factors such as driving habits, road conditions, and vehicle maintenance. Its also important to consider other factors when choosing a car, such as safety, reliability, and overall cost of ownership.