2009 Chevrolet Impala vs. 2010 Porsche Cayenne
To start off, 2010 Porsche Cayenne is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2009 Chevrolet Impala would be higher. At 5,670 cc (8 cylinders), 2009 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2010 Porsche Cayenne (405 HP @ 6500 RPM) has 102 more horse power than 2009 Chevrolet Impala. (303 HP @ 5600 RPM) In normal driving conditions, 2010 Porsche Cayenne should accelerate faster than 2009 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche Cayenne weights approximately 104 kg more than 2009 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2009 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 Porsche Cayenne (500 Nm @ 3500 RPM) has 62 more torque (in Nm) than 2009 Chevrolet Impala. (438 Nm @ 4000 RPM). This means 2010 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Impala.
Compare all specifications:
| 2009 Chevrolet Impala | 2010 Porsche Cayenne | |
| Make | Chevrolet | Porsche |
| Model | Impala | Cayenne |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5670 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 303 HP | 405 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 438 Nm | 500 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2141 kg | 2245 kg |
| Vehicle Length | 5100 mm | 4798 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1500 mm | 1699 mm |
| Wheelbase Size | 2810 mm | 2855 mm |
| Fuel Consumption | 9.8 L/100km | 13.8 L/100km |
| Fuel Consumption City | 14.7 L/100km | 21.4 L/100km |
| Fuel Tank Capacity | 64 L | 100 L |
