2006 Audi RS4 vs. 2003 Opel Signum
To start off, 2006 Audi RS4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (414 HP @ 7800 RPM) has 205 more horse power than 2003 Opel Signum. (209 HP @ 6200 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2003 Opel Signum.
Because 2006 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 Audi RS4 will offer significantly more control. 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 130 more torque (in Nm) than 2003 Opel Signum. (300 Nm @ 4000 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2006 Audi RS4 | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | RS4 | Signum |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 209 HP |
| Engine RPM | 7800 RPM | 6200 RPM |
| Torque | 430 Nm | 300 Nm |
| Torque RPM | 5500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4600 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 60 L |
