2007 Cadillac STS vs. 2009 Dodge Viper
To start off, 2009 Dodge Viper is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 8,285 cc (10 cylinders), 2009 Dodge Viper is equipped with a bigger engine. In terms of performance, 2009 Dodge Viper (499 HP @ 5600 RPM) has 246 more horse power than 2007 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2009 Dodge Viper should accelerate faster than 2007 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 180 kg more than 2009 Dodge Viper.
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, 2009 Dodge Viper (711 Nm @ 4200 RPM) has 369 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 2009 Dodge Viper will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS. 2007 Cadillac STS has automatic transmission and 2009 Dodge Viper has manual transmission. 2009 Dodge Viper will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Cadillac STS | 2009 Dodge Viper | |
| Make | Cadillac | Dodge |
| Model | STS | Viper |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 8285 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 253 HP | 499 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 342 Nm | 711 Nm |
| Torque RPM | 3200 RPM | 4200 RPM |
| Engine Bore Size | 94 mm | 102.4 mm |
| Engine Stroke Size | 85.6 mm | 100.6 mm |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 230 km/hour | 314 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 3.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1602 kg |
| Vehicle Length | 4990 mm | 4470 mm |
| Vehicle Width | 1850 mm | 1950 mm |
| Vehicle Height | 1470 mm | 1220 mm |
| Wheelbase Size | 2960 mm | 2520 mm |
| Fuel Consumption | 9.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 12.5 L/100km | 21.2 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
