2005 GMC Sierra vs. 2007 Porsche Boxster
To start off, 2007 Porsche Boxster is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 45 more horse power than 2007 Porsche Boxster. (276 HP @ 6200 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2007 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 925 kg more than 2007 Porsche Boxster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2005 GMC Sierra will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 49 more torque (in Nm) than 2007 Porsche Boxster. (321 Nm @ 4700 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche Boxster.
Compare all specifications:
| 2005 GMC Sierra | 2007 Porsche Boxster | |
| Make | GMC | Porsche |
| Model | Sierra | Boxster |
| Year Released | 2005 | 2007 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 5965 cc | 3179 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 321 HP | 276 HP |
| Engine RPM | 5000 RPM | 6200 RPM |
| Torque | 370 Nm | 321 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 1345 kg |
| Vehicle Length | 5790 mm | 4370 mm |
| Vehicle Width | 2000 mm | 1810 mm |
| Vehicle Height | 1850 mm | 1300 mm |
| Wheelbase Size | 3650 mm | 2420 mm |
| Fuel Consumption Overall | 13.1 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 117 L | 64 L |
