Brief the shoot, not the car. The order that works is: shot type and camera technique, the car described by body style and finish, the location, the light, then the grade. “Panning rolling shot of a matte deep-green fastback coupé, photographed from a chase car on an alpine pass at golden hour, wheels motion-blurred, 70-200mm at 1/60s, warm cinematic grade.” Notice that the car gets three words — body style, colour, finish — and everything else describes the photograph. That ratio is what separates an automotive image from a picture of a car.
Two clauses do most of the work. The camera technique gives you the genre: “panning at 1/60s with motion-blurred wheels” is a rolling shot, “long soft strip lights overhead drawing two unbroken highlights down the shoulder line” is a studio shot, “low angle from the wet asphalt” is a night hero. And the finish decides how light behaves — matte paint swallows reflections, gloss black turns into a mirror of whatever you put around it, so on a night street you have to name the neon that is doing the reflecting. Every image on this page is the unedited first output of the prompt beside it, generated on BananaBanana.