Cats are best when they’re dozing. Because then they’re not scratching something, killing wildlife, or crapping on your lawn.
Dig at cats in general complete, we can tenuously link to this Cat ‘dozer, a Caterpillar D6N LGN as built by regular bloggee Damian Z. Building instructions are available and there’s more to see of his wonderfully detailed creation on Flickr via the link.
You could also use the lower half to do Johnny 5 and Wall.E, bt they are not cars