2007 Dodge Viper vs. 1975 Triumph TR7
To start off, 2007 Dodge Viper is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Triumph TR7. In addition, the cost of maintenance, including insurance, on 1975 Triumph TR7 would be higher. At 8,277 cc (10 cylinders), 2007 Dodge Viper is equipped with a bigger engine. In terms of performance, 2007 Dodge Viper (493 HP @ 5600 RPM) has 404 more horse power than 1975 Triumph TR7. (89 HP @ 5250 RPM). In normal driving conditions, 2007 Dodge Viper should accelerate faster than 1975 Triumph TR7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Dodge Viper weights approximately 523 kg more than 1975 Triumph TR7. 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, 2007 Dodge Viper (712 Nm @ 4200 RPM) has 577 more torque (in Nm) than 1975 Triumph TR7. (135 Nm @ 2500 RPM). This means 2007 Dodge Viper will have an easier job in driving up hills or pulling heavy equipment than 1975 Triumph TR7.
Compare all specifications:
| 2007 Dodge Viper | 1975 Triumph TR7 | |
| Make | Dodge | Triumph |
| Model | Viper | TR7 |
| Year Released | 2007 | 1975 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 8277 cc | 1998 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 493 HP | 89 HP |
| Engine RPM | 5600 RPM | 5250 RPM |
| Torque | 712 Nm | 135 Nm |
| Torque RPM | 4200 RPM | 2500 RPM |
| Engine Bore Size | 102.4 mm | 90.3 mm |
| Engine Stroke Size | 100.6 mm | 78 mm |
| Engine Compression Ratio | 10.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 306 km/hour | 172 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1523 kg | 1000 kg |
| Vehicle Length | 4470 mm | 4070 mm |
| Vehicle Width | 1920 mm | 1690 mm |
| Vehicle Height | 1220 mm | 1270 mm |
| Wheelbase Size | 2520 mm | 2170 mm |
| Fuel Tank Capacity | 70 L | 55 L |
