2009 Pontiac G8 vs. 2008 Porsche Cayenne
To start off, 2009 Pontiac G8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2008 Porsche Cayenne would be higher. At 6,200 cc (8 cylinders), 2009 Pontiac G8 is equipped with a bigger engine. In terms of performance, 2009 Pontiac G8 (414 HP @ 5900 RPM) has 9 more horse power than 2008 Porsche Cayenne. (405 HP @ 6500 RPM). In normal driving conditions, 2009 Pontiac G8 should accelerate faster than 2008 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche Cayenne weights approximately 896 kg more than 2009 Pontiac G8.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2009 Pontiac G8. In wet, icy, snow, or gravel driving conditions, 2008 Porsche Cayenne 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 Porsche Cayenne (678 Nm @ 3500 RPM) has 115 more torque (in Nm) than 2009 Pontiac G8. (563 Nm @ 4600 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Pontiac G8. 2009 Pontiac G8 has automatic transmission and 2008 Porsche Cayenne has manual transmission. 2008 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Pontiac G8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Pontiac G8 | 2008 Porsche Cayenne | |
| Make | Pontiac | Porsche |
| Model | G8 | Cayenne |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 6200 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 414 HP | 405 HP |
| Engine RPM | 5900 RPM | 6500 RPM |
| Torque | 563 Nm | 678 Nm |
| Torque RPM | 4600 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 4.5 seconds | 6.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1329 kg | 2225 kg |
| Vehicle Length | 4990 mm | 4790 mm |
| Vehicle Width | 1910 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1710 mm |
| Wheelbase Size | 2920 mm | 2860 mm |
| Fuel Consumption Overall | 10.7 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 72 L | 100 L |
