2004 Porsche 911 Turbo Cabriolet (996) Technical Specifications
| Engine Type | Flat 6 |
| Induction | Twin-turbocharged |
| Cooling | Water-cooled |
| Valvetrain | Double overhead camshafts |
| Injection | Port injection |
| Bore X Stroke | 3.94 in/100 mm x 3.01 in/76.4 mm |
| Displacement | 219.60 cu-in/3,600cc |
| Horsepower | 415 bhp @ 6000 rpm |
| Torque | 415 ft lbs @ 2700 rpm |
| Max Rpm | 6750 |
| Compression Ratio | 9.4:1 |
| Transmission Options | 6-speed manual, 5-speed Tiptronic S |
| Chassis Type | Rear-engined, all-wheel drive |
| Curb Weight | 3,660 lbs. manual/3,749 lbs. Tiptronic S |
| Height | 50.98 in/1,295 mm |
| Ground Clearance | 4.33 in/110 mm |
| Length | 174.61 in/4,435 mm |
| Wheelbase | 92.52 in/2,350 mm |
| Width | 72.05 in/1,830 mm |
| Track Front | 57.28 in/1,455 mm |
| Track Rear | 59.92 in/1,522 mm |
| Drag Coefficient | 0.31 |
| Wheel Size Front | 18 x 8 |
| Wheel Size Rear | 18 x 11 |
| Tire Size Front | 225/40ZR-18 |
| Tire Size Rear | 295/30ZR-18 |
| Brake Caliper Front | Fixed 4-piston |
| Brake Caliper Rear | Fixed 4-piston |
| Disc Type Front | Ventilated, cross-drilled discs |
| Disc Type Rear | Ventilated, cross-drilled discs |
| Disc Size Front | 12.99 in/330 mm x 1.34 in/34 mm |
| Disc Size Rear | 12.99 in/330 mm x 1.10 in/28 mm |
| 0 To 62 Mph | 4.2 seconds manual/4.9 seconds Tiptronic S |
| Top Speed | 189 mph manual/185 mph Tiptronic S |
| Mpg City | 14 manual/13 Tiptronic S |
| Mpg Highway | 20 manual/21 Tiptronic S |
| Mpg Combined | 16 manual/16 Tiptronic S |
| Fuel Tank Capacity | 16.9 U.S. gallons |
| Required Octane | Premium unleaded (91+) |
