Handling
The average luxury sedan and the Jaguar S-Type have roughly comparable tires.
With their similar turning radii, the Jaguar S-Type and the average luxury sedan quite certainly handle roughly the same into and out of tight spots.
Drivetrain
The Jaguar S-Type's engine isn't much larger than the typical luxury sedan's.
Torque is roughly equivalent to acceleration, and in this respect, the average luxury sedan isn't much more powerful than the Jaguar S-Type.
Utility
The Jaguar S-Type's more sizeable trunk will accommodate more sizeable objects than the average luxury sedan.
The Jaguar S-Type and the typical luxury sedan can accommodate the same number of passengers.
Convenience
You'll very likely take the S-Type for a fill-up about as often as the typical luxury sedan.
Comfort
While the front cabin in the Jaguar S-Type offers a bit more head room than the average luxury sedan, there honestly isn't much of a difference.
The typical luxury sedan is not particularly more spacious for your passengers than the Jaguar S-Type.
Dimensions
The typical luxury sedan is somewhat heavier than the Jaguar S-Type.
The Jaguar S-Type's tank is approximately the same size as the average luxury sedan's, though the average luxury sedan's is slightly bigger.
The typical luxury sedan rides lower than the Jaguar S-Type, which is a good thing for its center of gravity and ease of access.
The Jaguar S-Type and the typical luxury sedan compete for the same parking spaces.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. The Jaguar S-Type is considerably cheaper to get to the dealership than the typical luxury sedan.
There isn't much of a difference in gas mileage here, but if you must know, the Jaguar S-Type is a tad more economical than the typical luxury sedan.
As far as MSRP, the S-Type costs substantially less than the typical luxury sedan.
Overview
Although the basic warranty that comes with the average luxury sedan is slightly longer than the S-Type's, the difference isn't too marked.