Tim from StrutYourReel.com points out that Movie-List.net have 640×480 (Fullscreen), a 480×360 (High-Res), a 320×240 (Med-Res), and a 240×180 (Low-Res) version of the Cars Full Trailer that was seen briefly on the internet a few months back.
Click the following links to view the appropiate size…
I think I saw this one on the “Incredibles: Rise of the Underminer.”