These problems were most noticeable ... expectations associated with Lexus. Noisy cabins and rattling trim pieces further eroded the luxury feel. The 2010 RX 350 introduced the second generation ...

The RX is powered by a 2.4-liter turbo four-cylinder mated to an eight-speed automatic. The new engine is powerful and gets good fuel economy at 24 mpg overall, but it isn't particularly refined.