The 2005-06 Nissan Altima with its efficient engine and sharp styling has been an excellent choice for commuters and car lovers alike. For this Altima, Nissan offered a basic system and upgraded Bose stereo system, and plenty of aftermarket upgrades are available for both sound systems.
The Nissan Z has been around for a number of years - it's always been a sporty car that combines power and performance. The 350Z offers plenty of speed and handling, and it does so with a refined cockpit and plenty of extras. However, unless you have a model with the upgraded audio system, chances are good that yours is a little out of date.
Far from being just another high-end Japanese import, the Infiniti G35 was arguably a better "European" sports sedan than a few of its European competitors. Even now, the G35 is a smart purchase for anyone who values the practicality of a sedan and the performance of a sports coupe.