might as well get a gtp, not sure what your insurance is like, but ive never heard of a company raising the cost because of a s/c or t/c. i think mine goes by age, and if its a coupe or a sedan. grand prixs are great in the snow, i used to live in minnesota and spend half my time in iowa, never had a problem. now i dont know you, how old you are or what your driving expirence is, but for new drivers getting a first car, i always recommend something with a manual gearbox. its the best way to learn.