2007 GMC Sierra vs. 2005 Porsche Boxster
To start off, 2007 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2005 Porsche Boxster would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 60 more horse power than 2005 Porsche Boxster. (240 HP @ 6600 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2005 Porsche Boxster.
Let's talk about torque, 2007 GMC Sierra (488 Nm) has 217 more torque (in Nm) than 2005 Porsche Boxster. (271 Nm). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche Boxster.
Compare all specifications:
| 2007 GMC Sierra | 2005 Porsche Boxster | |
| Make | GMC | Porsche |
| Model | Sierra | Boxster |
| Year Released | 2007 | 2005 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 5999 cc | 2688 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 240 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Torque | 488 Nm | 271 Nm |
| Engine Bore Size | 102 mm | 86 mm |
| Engine Stroke Size | 92 mm | 78 mm |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Length | 6330 mm | 4330 mm |
| Vehicle Width | 2450 mm | 1810 mm |
| Vehicle Height | 1940 mm | 1300 mm |
| Wheelbase Size | 4010 mm | 2420 mm |
| Fuel Tank Capacity | 129 L | 53 L |
