2007 Audi RS4 vs. 1999 Opel Signum
To start off, 2007 Audi RS4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 206 more horse power than 1999 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 235 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi RS4 (431 Nm @ 5500 RPM) has 131 more torque (in Nm) than 1999 Opel Signum. (300 Nm @ 4000 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2007 Audi RS4 | 1999 Opel Signum | |
| Make | Audi | Opel |
| Model | RS4 | Signum |
| Year Released | 2007 | 1999 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 208 HP |
| Engine RPM | 7800 RPM | 6200 RPM |
| Torque | 431 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 - Premium |
| Top Speed | 250 km/hour | 237 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1845 kg | 1610 kg |
| Vehicle Length | 4560 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 52 L |
