Logo intro animation and logo

hi guys, please note i need 2 things, for car rental company, 1 is a logo intro animation and 2 a logo, the animations needs to be 5-6 seconds long, i will add a video that i recorded of 2 you tube animations into one, so the animations needs to be similar to that in terms of transitions, colours not decided yet, i would like to see some ideas

please submit some portfolio or work you've done previously

thanks