Have you ever wondered how much your car actually weighs? We're not talking about what's listed in the owner's manual, but ...

Let's have some fun with the figures: The Audi RS5 weights 5,192 lbs - we put that into perspective for you.

If you're a sports car enthusiast who prioritizes a low curb weight over everything else, these are five of the lightest, most impressive sports cars you can buy new right now. The great Colin Chapman ...