2005 Porsche Boxster Technical Specifications
| Engine Type | Flat 6 |
| Induction | Normally-aspirated |
| Cooling | Water-cooled |
| Valvetrain | Double overhead camshafts |
| Injection | Port injection |
| Bore X Stroke | 3.37 in/85.5 mm x 3.07 in/78 mm |
| Displacement | 163.91 cu in/2,687 cc |
| Horsepower | 237 bhp @ 6400 rpm |
| Torque | 199 ft lbs @ 4700 rpm |
| Max Rpm | 7200 |
| Compression Ratio | 11.0:1 |
| Transmission Options | 5-speed manual, 6-speed manual, 5-speed Tiptronic S |
| Chassis Type | Mid-engined, rear-wheel drive |
| Curb Weight | 2,855 lbs. manual/2,987 lbs. Tiptronic S |
| Height | 50.98 in/1,295 mm |
| Ground Clearance | 5.12 in/130 mm, PASM 4.72 in/120 mm |
| Length | 171.61 in/4,359 mm |
| Wheelbase | 95.08 in/2,415 mm |
| Width | 70.91 in/1,801 mm |
| Track Front | 58.66 in/1,490 mm |
| Track Rear | 60.39 in/1,534 mm |
| Drag Coefficient | 0.29 |
| Wheel Size Front | 17 x 6.5 |
| Wheel Size Rear | 17 x 8.0 |
| Tire Size Front | 205/55ZR-17 |
| Tire Size Rear | 235/ 50ZR-17 |
| Caliper Front | Fixed 4-piston |
| Caliper Rear | Fixed 4-piston |
| Disc Type Front | Ventilated discs |
| Disc Type Rear | Ventilated discs |
| Disc Size Front | 11.73 in/298 mm x 0.94 in/24 mm |
| Disc Size Rear | 11.77 in/299 mm x 0.79 in/20 mm |
| 0 To 60 Mph | 6.2 seconds manual/6.8 seconds Tiptronic S |
| Top Speed | 159 mph manual/155 mph Tiptronic S |
| Mpg City | 18 manual / 16 Tiptronic S |
| Mpg Highway | 27 manual / 24 Tiptronic S |
| Mpg Combined | 21 manual / 19 Tiptronic S |
| Fuel Tank Capacity | 16.9 U.S. gallons |
| REQUIRED OCTANE | Premium unleaded (91+) |
