Utility
The Audi S4 and the average sedan can accommodate the same number of passengers.
Performance
As far as horsepower, the S4 packs quite a punch and will knock the average sedan down a few rungs. However, bear in mind that high horsepower engines often command higher insurance premiums.
Dimensions
The Audi S4's tank is almost the same size as the typical sedan's, though the average sedan's is a bit bigger.
The Audi S4 and the average sedan compete for the same parking spaces.
Convenience
You'll most definitely take the Audi S4 for a fill-up almost as often as the average sedan.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. It costs almost the same to get the average sedan to the dealership as the Audi S4.
Producing an exact gas mileage evaluation is so tough that some think not even the federal government can do it, but it looks as though both the typical sedan and the typical sedan perform approximately similarly with respect to fuel economy.
When it comes to fuel economy, the Audi S4 is somewhat better than the average sedan, but not by much.
Regarding MSRP, the Audi S4 costs significantly more than the typical sedan.
Handling
With their comparable turning radii, the average sedan and the Audi S4 quite certainly handle approximately the same into and out of tight spots.
Drivetrain
The Audi S4's engine is somewhat smaller than the typical sedan's, but not terribly so.
The S4 packs quite a wallop compared to the average sedan when it comes to torque, which is roughly equivalent to acceleration.
Torque is the force that lets you accelerate quickly, and in this respect, the Audi S4 is considerably more powerful than the average sedan.
Comfort
Taller drivers will substantially enjoy the extra head room in the S4's front cabin compared to the average sedan.
Warranty
The basic after-sale protection that comes with the average sedan isn't quite as generous as the Audi S4's.