Well im not sure about that, the S4 is one nice car:
Acceleration (0-60 mph): 5.9 sec.
Braking Distance: 113 ft.
Base Number of Cylinders: 6
Base Engine Size: 2.7 liters
Base Engine Type: V6
Horsepower: 250hp @ 5800 rpm
Torque: 258ft-lbs. @ 1850 rpm
Drive Type: AWD
Turning Circle: 37.4 ft
The only thing I was thinking of might stand a chance would be the WRX, but even those numbers aren't as nice, although its a good chukc of change less, but still doesnt look as nice as the S4
Base Number of Cylinders: 4
Base Engine Size: 2 liters
Base Engine Type: Horizontally Opposed
Horsepower: 227hp @ 6000 rpm
Torque: 217ft-lbs. @ 4000 rpm
Maximum Towing Capacity: 2000 lbs.
Drive Type: AWD
Turning Circle: 35.4 ft.