(March 1, 2017) IRVINE, Calif. — The analysts at Kelley Blue Book kbb.com today reported the estimated average transaction price (ATP) for light vehicles in the United States was $34,352 in February. New-car prices have increased by $757 (up 2.3 percent) from February 2016, while falling $328 (down 0.9 percent) from last month.