2006 Audi A4 vs. 2006 Opel Signum
To start off, both 2006 Audi A4 and 2006 Opel Signum were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,198 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (161 HP @ 5700 RPM) has 8 more horse power than 2006 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 10 kg more than 2006 Audi A4.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 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 A4 (225 Nm @ 1950 RPM) has 5 more torque (in Nm) than 2006 Opel Signum. (220 Nm @ 3800 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2006 Audi A4 | 2006 Opel Signum | |
| Make | Audi | Opel |
| Model | A4 | Signum |
| Year Released | 2006 | 2006 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 153 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 225 Nm | 220 Nm |
| Torque RPM | 1950 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 94.6 mm |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 223 km/hour | 211 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 9.8 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 | 1525 kg | 1535 kg |
| Vehicle Length | 4550 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 9.2 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
