Acura's TL luxury sedan has been a mainstay around the United States for years, and its recent selection as a NADAguides Top Recommended Current Buy for the second quarter of 2011 further solidifies that position. The 2011 Acura TL got the nod from NADAguides in part for its low first-year depreciation rate of just 19 percent, its attractive financing options and its four-year, 50,000-mile