2007 Chevrolet Impala vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2007 Chevrolet Impala would be higher. At 3,507 cc (6 cylinders), 2007 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (291 HP @ 6250 RPM) has 74 more horse power than 2007 Chevrolet Impala. (217 HP @ 5800 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 2007 Chevrolet Impala.
Because 2009 Porsche Cayman 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 Cayman. However, in wet, icy, snow, or gravel driving conditions, 2007 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 Cayman (340 Nm @ 4600 RPM) has 46 more torque (in Nm) than 2007 Chevrolet Impala. (294 Nm @ 4000 RPM). This means 2009 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet Impala.
Compare all specifications:
| 2007 Chevrolet Impala | 2009 Porsche Cayman | |
| Make | Chevrolet | Porsche |
| Model | Impala | Cayman |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3507 cc | 3385 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 217 HP | 291 HP |
| Engine RPM | 5800 RPM | 6250 RPM |
| Torque | 294 Nm | 340 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 99.1 mm | 96.3 mm |
| Engine Stroke Size | 75.9 mm | 78.3 mm |
| Engine Compression Ratio | 9.8:1 | 11.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5100 mm | 4350 mm |
| Vehicle Width | 1860 mm | 1310 mm |
| Vehicle Height | 1500 mm | 1810 mm |
| Wheelbase Size | 2810 mm | 2420 mm |
| Fuel Tank Capacity | 45 L | 64 L |
