2005 Audi S4 vs. 1999 Opel Signum
To start off, 2005 Audi S4 is newer by 6 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 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 217 more horse power than 1999 Opel Signum. (123 HP @ 3250 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 230 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.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 139 more torque (in Nm) than 1999 Opel Signum. (271 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2005 Audi S4 | 1999 Opel Signum | |
| Make | Audi | Opel |
| Model | S4 | Signum |
| Year Released | 2005 | 1999 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 123 HP |
| Engine RPM | 6300 RPM | 3250 RPM |
| Torque | 410 Nm | 271 Nm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1840 kg | 1610 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
