Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. The 350Z is considerably cheaper to get to the dealership than the Porsche Boxster.
The Nissan 350Z is tremendously less costly than the Porsche Boxster with respect to MSRP.
Utility
Neither the Porsche Boxster nor the Nissan has a marked advantage as far as seating capacity.
Comfort
While the front cabin in the Nissan 350Z offers a bit more head room than the Porsche Boxster, there frankly isn't much of a difference.
Dimensions
The Nissan 350Z is tremendously more bulky than the Boxster.
Your wallet will hurt more every time you fill up the Nissan 350Z than the Porsche because of its larger tank.
The Nissan 350Z and the Porsche Boxster compete for the same parking spaces.
The Porsche Boxster's shorter wheelbase will give a nimbler feel in daily traffic. However, the Nissan 350Z is likely to have a smoother, more stable ride.
Performance
With that kind of horsepower, both the Porsche Boxster and the Nissan 350Z are legitimate sportscars.
Handling
With their similar turning radii, the 350Z and the Porsche Boxster quite certainly handle roughly the same into and out of tight spots.
Drivetrain
The 350Z has a more massive engine than the Porsche. Remember that smaller engines typically get better gas mileage, but smaller engines can be stressed more.
The Nissan 350Z packs quite a punch compared to the Porsche Boxster when it comes to torque, which is roughly equivalent to acceleration.
Torque is roughly equivalent to acceleration, and in this respect, the Nissan 350Z is considerably more powerful than the Porsche Boxster.
Warranty
The basic warranty that comes with the Nissan 350Z isn't quite as generous as the Porsche Boxster's.