2008 GMC Sierra vs. 2011 Porsche Cayman
To start off, 2011 Porsche Cayman is newer by 3 year(s). Which means there will be less support and parts availability for 2008 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2008 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 88 more horse power than 2011 Porsche Cayman. (265 HP @ 7200 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2011 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1334 kg more than 2011 Porsche Cayman. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2011 Porsche Cayman. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 207 more torque (in Nm) than 2011 Porsche Cayman. (299 Nm @ 4400 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche Cayman. 2008 GMC Sierra has automatic transmission and 2011 Porsche Cayman has manual transmission. 2011 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 GMC Sierra | 2011 Porsche Cayman | |
| Make | GMC | Porsche |
| Model | Sierra | Cayman |
| Year Released | 2008 | 2011 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 5999 cc | 2900 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 265 HP |
| Engine RPM | 5400 RPM | 7200 RPM |
| Torque | 506 Nm | 299 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2664 kg | 1330 kg |
| Vehicle Length | 5710 mm | 4376 mm |
| Vehicle Width | 2040 mm | 1801 mm |
| Vehicle Height | 1940 mm | 1303 mm |
| Wheelbase Size | 3380 mm | 2416 mm |
| Fuel Tank Capacity | 129 L | 64 L |
