I have owned this car for several years and the only repair I have had to do is replace the AC compressor. This car is the last of GM's true full-size rear-wheel drive vehicles, and it is a shame they stopped making them. This car excels in practically every area. It's design is classy and turns heads. It is an impressive looking car - long with a big grill in the front and fins in the back. It's ride is smooth and solid and offers unparalleled comfort. The interior room is enormous. No car since has offered the interior room this car has. Even though this car is heavy, the 5.7 liter engine moves it like a champ. You can drive with just a toe on the pedal and it still gets around 20-24 MPG.
The features are far too numerous to mentions. This car has all of the amenitites and then some! It has power everything and all of the systems are first rate, from the awesome sound system to the climate control. The ride and room are unprecedented and the trunk is nothing short of cavernous.
The main area of improvement would have to be the quality of materials. Although high quality overall, some of the parts are not as durable as Cadillacs of the past. The door handles and side mirrors are plastic instead of metal like they used to be and real wood for the interior would've been nice.