The best thing to do to learn about a vehicle is to see what others are saying about it. Epinions.com is a great resource for this. Other consumers who have the vehicle will comment about the pros and cons of it. It's really helpful!
Here is the page on the Lucerne:
I found this good review here too:
The other way to know if it is a good car for you is to look at the pricing and your budget as well as spend some time test driving it and make sure the car fits your needs.
I hope this helped!