1999 Dodge Viper vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 12 year(s). Which means there will be less support and parts availability for 1999 Dodge Viper. In addition, the cost of maintenance, including insurance, on 1999 Dodge Viper would be higher. At 7,990 cc (10 cylinders), 1999 Dodge Viper is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (385 HP @ 6500 RPM) has 8 more horse power than 1999 Dodge Viper. (377 HP @ 5000 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 1999 Dodge Viper. With that said, vehicle weight also plays an important factor in acceleration. 1999 Dodge Viper weights approximately 60 kg more than 2011 Porsche 911.
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, 1999 Dodge Viper (620 Nm @ 3600 RPM) has 200 more torque (in Nm) than 2011 Porsche 911. (420 Nm @ 4400 RPM). This means 1999 Dodge Viper will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche 911.
Compare all specifications:
| 1999 Dodge Viper | 2011 Porsche 911 | |
| Make | Dodge | Porsche |
| Model | Viper | 911 |
| Year Released | 1999 | 2011 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 7990 cc | 3800 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 377 HP | 385 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 620 Nm | 420 Nm |
| Torque RPM | 3600 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1565 kg | 1505 kg |
| Vehicle Length | 4500 mm | 4460 mm |
| Vehicle Width | 1990 mm | 1808 mm |
| Vehicle Height | 1210 mm | 1300 mm |
| Wheelbase Size | 2520 mm | 2350 mm |
