2005 Chevrolet Impala vs. 2003 Porsche Cayenne
To start off, 2005 Chevrolet Impala is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. At 3,343 cc (6 cylinders), 2005 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2003 Porsche Cayenne (247 HP @ 6000 RPM) has 66 more horse power than 2005 Chevrolet Impala. (181 HP @ 5600 RPM) In normal driving conditions, 2003 Porsche Cayenne should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 633 kg more than 2005 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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, 2003 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, 2003 Porsche Cayenne (310 Nm) has 32 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 2003 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala. 2005 Chevrolet Impala has automatic transmission and 2003 Porsche Cayenne has manual transmission. 2003 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Chevrolet Impala will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Chevrolet Impala | 2003 Porsche Cayenne | |
| Make | Chevrolet | Porsche |
| Model | Impala | Cayenne |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3343 cc | 3179 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 181 HP | 247 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 278 Nm | 310 Nm |
| Engine Bore Size | 91 mm | 84 mm |
| Engine Stroke Size | 84 mm | 95.9 mm |
| Engine Compression Ratio | 9.5:1 | 11.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1537 kg | 2170 kg |
| Vehicle Length | 5090 mm | 4790 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1710 mm |
| Wheelbase Size | 2880 mm | 2860 mm |
| Fuel Consumption | 7.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 11.2 L/100km | 18.4 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 64 L | 100 L |
