On the way home from work, about ten years ago, I saw a 1950s car in a car yard...and made enquiries. The owner said that it was gutted (all parts stripped out) and that it was due to be crushed. If I wanted it, it was mine, providing I took it away within two days. So I hired a low-loader and rented a corner of a farmer's yard in which to cut her in half...and got the parts delivered to my back garden, where they gathered rust for a few years....until about three years ago I decided to make the front into a BBQ, abandoning earlier plans to make furniture out of the car (see sketches done in a school staff meeting).
Step 1: Sub-structure
Forgive me - I made this long before I had heard of instructables, so the slide shows are all I can provide in the way of instruction, suffice it to say that the principal parts were mounted on a framework made out of school desk tubing (saved from a skip).
The structure is hidden behind the wheels and is weighted so that the car cantilevers.....It looks like a car -doesn't appear to stand on legs.
Step 2: "engine" bay
Step 3: Driver
I made a driver (head and hands) and wired them to a weight which, when swung, rocks the head and wobbles the stearingwheel so that it looks like the car is driving.