2005 Chevrolet Impala vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Impala would be higher. At 4,806 cc (8 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (380 HP @ 6200 RPM) has 180 more horse power than 2005 Chevrolet Impala. (200 HP @ 6000 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Impala weights approximately 164 kg more than 2009 Porsche Cayenne.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2005 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Porsche Cayenne (500 Nm) has 195 more torque (in Nm) than 2005 Chevrolet Impala. (305 Nm). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2005 Chevrolet Impala | 2009 Porsche Cayenne | |
| Make | Chevrolet | Porsche |
| Model | Impala | Cayenne |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 4806 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 380 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 305 Nm | 500 Nm |
| Engine Bore Size | 97 mm | 96 mm |
| Engine Stroke Size | 86 mm | 83 mm |
| Engine Compression Ratio | 9.4:1 | 12.5:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1514 kg | 1350 kg |
| Vehicle Length | 5090 mm | 4800 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1930 mm |
| Wheelbase Size | 2810 mm | 2860 mm |
| Fuel Consumption Overall | 9.8 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 64 L | 100 L |
