Bob LutzThe exterior is the first contact a potential buyer has with a car. If a person falls in love with the exterior, they'll go to a dealership, look at the interior, inquire about pricing-they're already on their way to buying it. Twenty or 30 years ago, people would say, "It's not very good looking, but the engineering is great and the quality is good." But now everything is great. Everything handles wonderfully. Everything has great brakes. So design and value become huge differentiators.