2005 Chevrolet Impala vs. 2009 Porsche 911
To start off, 2009 Porsche 911 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 3,786 cc (6 cylinders), 2005 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (321 HP @ 6800 RPM) has 121 more horse power than 2005 Chevrolet Impala. (200 HP @ 6000 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Impala weights approximately 89 kg more than 2009 Porsche 911.
Because 2009 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Impala, being front wheel drive (FWD), will offer much better control with better grip. 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 911 (370 Nm) has 65 more torque (in Nm) than 2005 Chevrolet Impala. (305 Nm). This means 2009 Porsche 911 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 911 | |
| Make | Chevrolet | Porsche |
| Model | Impala | 911 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3786 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 321 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 305 Nm | 370 Nm |
| Engine Bore Size | 97 mm | 96 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Engine Compression Ratio | 9.4:1 | 11.3:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1514 kg | 1425 kg |
| Vehicle Length | 5090 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2810 mm | 2360 mm |
| Fuel Consumption Overall | 9.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
