As cars become larger, heavier and increasingly complex, there’s been a rise in pseudo-nostalgic grumblings for “the good old days” of 20 years ago, when vehicles were light-weight, fun to drive and fuel-efficient.FAST FACTS1. Every 2011 Hyundai Elantra model, regardless of trim level or transmission, gets an EPA rated 29/40-mpg (city/hwy).2. A 1.8L 4-cyl makes 148-hp and 131 ft-lbs of torque and