2005 Dodge Viper vs. 2007 Porsche Cayman
To start off, 2007 Porsche Cayman is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Dodge Viper. In addition, the cost of maintenance, including insurance, on 2005 Dodge Viper would be higher. At 8,277 cc (10 cylinders), 2005 Dodge Viper is equipped with a bigger engine. In terms of performance, 2005 Dodge Viper (493 HP @ 5600 RPM) has 248 more horse power than 2007 Porsche Cayman. (245 HP @ 6500 RPM). In normal driving conditions, 2005 Dodge Viper should accelerate faster than 2007 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2005 Dodge Viper weights approximately 121 kg more than 2007 Porsche Cayman. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 Dodge Viper (712 Nm @ 4200 RPM) has 439 more torque (in Nm) than 2007 Porsche Cayman. (273 Nm @ 4600 RPM). This means 2005 Dodge Viper will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche Cayman.
Compare all specifications:
| 2005 Dodge Viper | 2007 Porsche Cayman | |
| Make | Dodge | Porsche |
| Model | Viper | Cayman |
| Year Released | 2005 | 2007 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 8277 cc | 2686 cc |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 493 HP | 245 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 712 Nm | 273 Nm |
| Torque RPM | 4200 RPM | 4600 RPM |
| Engine Bore Size | 102.4 mm | 86 mm |
| Engine Stroke Size | 100.6 mm | 78 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1536 kg | 1415 kg |
| Vehicle Length | 4470 mm | 4350 mm |
| Vehicle Width | 1950 mm | 1310 mm |
| Vehicle Height | 1220 mm | 1810 mm |
| Wheelbase Size | 2520 mm | 2420 mm |
| Fuel Consumption Highway | 11.8 L/100km | 7.6 L/100km |
| Fuel Consumption City | 19.6 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
