Audi S4 AWD 2008

Price: $48,610 – $56,775
Horsepower: 340 @ 7,000 rpm
Torque: 302 lb-ft @ 3,500 rpm
0-60 mph: 5.3 seconds
¼ mile: 13.8 seconds*
Engine: DOHC, two-staged variable intake manifold V8
Displacement: 4.2 liters
EPS MPG: 16*

Audi RS4 AWD 2008

Price: $66,910 – 81,900
Horsepower: 420 @ 7,800 rpm
Torque: 317 lb-ft @ 5,500 rpm
0-60 mph: 4.8 seconds
¼ mile: 13.2 seconds*

Engine: FSI gasoline direct injection, 4 valve technology, two light-alloy cylinder heads both with DOHC, two inlet valves, two sodium-cooled exhaust valves, intake manifold with integrated charge movement, and naturally-aspirated high-revving setup to 8,250 rpm.
Displacement: 4.2 liters
EPS MPG: 15*

Audi S5 AWD 2008

Price: $50,500
Horsepower: 354 @ 6,800 rpm
Torque: 325 lb-ft @ 3,500 rpm
0-60 mph: 4.9 seconds
¼ mile: N/A
Engine: Gasoline direct injection, longitudinal V8
Displacement: 4.2 liters
EPS MPG: 19*

Audi S6 AWD 2008

Price: $72,350
Horsepower: 435 @ 6,800 rpm
Torque: 398 lb-ft @ 3,000 – 4,000 rpm
0-60 mph: 5.1 seconds
¼ mile: 13.8 seconds*
Engine: Gasoline direct injection, longitudinal V10
Displacement: 5.2 liters
EPS MPG: 16*

Audi S8 AWD 2008

Price: $93,300
Horsepower: 450 @ 7,000 rpm
Torque: 398 lb-ft @ 3,500 rpm
0-60 mph: 4.9 seconds
¼ mile: 13.7 seconds*
Engine: Aluminum V90 degree spark-injected, DOHC, FSI gasoline direct injection, magnesium two-staged variable intake manifold, integrated charge movement flaps, regulated high-pressure and low-pressure fuel system V10
Displacement: 5.2 liters
EPS MPG: 15*
*Figures not officially reported by the manufacturer.
**0-100 km/h (0-62 mph)