2006 Audi S4 vs. 2002 Opel Signum
To start off, 2006 Audi S4 is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Opel Signum. In addition, the cost of maintenance, including insurance, on 2002 Opel Signum would be higher. At 4,162 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 165 more horse power than 2002 Opel Signum. (174 HP @ 4000 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 395 kg more than 2006 Audi S4.
Because 2006 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 Audi S4 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 S4 (410 Nm @ 3500 RPM) has 33 more torque (in Nm) than 2002 Opel Signum. (377 Nm @ 1900 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Signum.
Compare all specifications:
| 2006 Audi S4 | 2002 Opel Signum | |
| Make | Audi | Opel |
| Model | S4 | Signum |
| Year Released | 2006 | 2002 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 2957 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 174 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 410 Nm | 377 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Bore Size | 84.5 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 5.9 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1670 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2840 mm |
| Fuel Consumption Overall | 12.3 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 63 L | 58 L |
