2005 GMC Sierra vs. 1999 Porsche Boxster
To start off, 2005 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 1999 Porsche Boxster would be higher. At 4,802 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (285 HP) has 36 more horse power than 1999 Porsche Boxster. (249 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1999 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1057 kg more than 1999 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 1999 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 (400 Nm) has 95 more torque (in Nm) than 1999 Porsche Boxster. (305 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Porsche Boxster.
Compare all specifications:
| 2005 GMC Sierra | 1999 Porsche Boxster | |
| Make | GMC | Porsche |
| Model | Sierra | Boxster |
| Year Released | 2005 | 1999 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4802 cc | 3179 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 285 HP | 249 HP |
| Torque | 400 Nm | 305 Nm |
| Engine Bore Size | 96.1 mm | 93.1 mm |
| Engine Stroke Size | 83 mm | 78 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 3 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2317 kg | 1260 kg |
| Vehicle Length | 5710 mm | 4320 mm |
| Vehicle Width | 2000 mm | 1780 mm |
| Vehicle Height | 1880 mm | 1300 mm |
| Wheelbase Size | 3380 mm | 2360 mm |
