What is the difference between Toyota Rav4 and Honda Crv?

Different in what way? They are manufactured by different automobile corporations. They are the same relative size - both classified as mini crossovers, and both follow the same general design and construction. The CR-V is built basically on the Honda Civic platform and the CR-V and the two share MANY of the same components. For ratings as to performance, reliability, and customer satisfaction - there are many sites available on-line for you to do this at your leisure.