Buick Park Avenue is large and luxurious. It offers a smooth, comfortable, quiet ride. Its engine and transmission are smooth and quiet. Its controls are familiar and easy to operate. Its interior is roomy and comfortable and its trunk is huge.Park Avenue Ultra, the top model, is fast, stable and satisfying to drive. Its supercharged V6 engine delivers quick acceleration performance. While still reading the sheet music written for a large, front-drive American sedan, Ultra is surprisingly agile and responsive. It's equipped with StabiliTrak, a superb active safety system that can detect the beginning of a skid and help keep the car on its intended course by pulsing individual brakes.Click here to read more