The width of the vehicle influences directly on passanger's inner room as well as driving stability. The Jaguar is 88 mm wider than the Porsche 911 997 Cabrio. It is clearly perceptible by those sitting in front, who have more room for their elbows.
The Porsche 911 997 loses with the Jaguar XK8 II in the category of fuel tank size. The Jaguar XK8 II is able to carry by 7 l more fuel in comparison to its contender.
Jaguar XK8 II has 17 percent longer wheelbase when compared to the Porsche 911 997 Cabrio 3.6 345HP manual. A longer wheelbase provides more stable and comfortable ride, especially at higher speeds. It also provides more storage space. But, vehicles with a longer wheelbase are not as maneuverable as those with a shorter length between its axles.
The Jaguar has 584 cc greater engine displacement in comparison to the Porsche 911 997 Cabrio. Because the difference is little, the Jaguar XK8 II Cabrio 4.2 i V8 32V 298HP manual should accelerate only a bit faster, assuming that other paramerters are the same.
Maximum load capacity
The Jaguar XK8 II Cabrio is 356 millimeters longer when compared to the Porsche. Long vehicles have more interior space and usually provide plenty of trunk space. Although the Jaguar XK8 II seems to be better pick for families or drivers who appreciate soft, smooth long-distance driving that make them feel fresh and relaxed upon arriving, the Porsche 911 997 may be more appropriate to singles as it will not make problems with parking and will have smaller turning radius.
The higher a car is, the the more convenient is a boarding it and greater possibility of loading massive amount of thinks to it. The difference between these two cars at the level of 20 mm in favor of the Jaguar XK8 II Cabrio 4.2 i V8 32V 298HP manual is little and should not be really noticeable.