But Mazda is getting a jump on the competition with a refreshed version of its CX-9.If family size is a function of wealth, it makes sense that Mazda's largest vehicle is also its most premium and its most expensive, catering to well-educated families making at least $100,000 who can afford to drop at least $30,000 on a car and fists full of cash every time they fill up the tank.For its sixth mode