2005 Audi S4 vs. 2003 Dodge Viper
To start off, 2005 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Dodge Viper. In addition, the cost of maintenance, including insurance, on 2003 Dodge Viper would be higher. At 8,195 cc (10 cylinders), 2003 Dodge Viper is equipped with a bigger engine. In terms of performance, 2003 Dodge Viper (500 HP @ 5600 RPM) has 160 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2003 Dodge Viper should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 317 kg more than 2003 Dodge Viper.
Let's talk about torque, 2003 Dodge Viper (712 Nm) has 302 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2003 Dodge Viper will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2003 Dodge Viper | |
| Make | Audi | Dodge |
| Model | S4 | Viper |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 8195 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 500 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 410 Nm | 712 Nm |
| Engine Bore Size | 85 mm | 102.4 mm |
| Engine Stroke Size | 93 mm | 100.6 mm |
| Engine Compression Ratio | 11.0:1 | 9.6:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1523 kg |
| Vehicle Length | 4580 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1920 mm |
| Vehicle Height | 1400 mm | 1220 mm |
| Wheelbase Size | 2660 mm | 2520 mm |
| Fuel Tank Capacity | 63 L | 70 L |
