2006 Buick Lucerne CXL V6 4dr Sedan (3.8L 6cyl 4A)
This car is comfortable and very quiet. It is a real performer on winding roads and on the highway. I have never driven a front wheel drive with practically so little over steer on sharp turns. GM engineers got this one right. Found it more confortable than the Avalone and Azera, maybe due to the longer wheelbase. Were I to do it again, I would have bought the V8. The gas milage on the V6 is not that much different, and you need a little more "spunk" for such a heavy car.
The best feature is the "back-up assist" as the visibility directly behind the vehicle is limited. Also the "8 way" adjustable front seats makes for comfort on long drives, the lumbar support being very effective. Also the leather seats are very nicely crafted!
The floor mats and carpeting is very thin and can soil easily. I bought thicker mats to protect the carpet on the floor.