2006 Audi A3 vs. 2005 Opel Signum
To start off, 2006 Audi A3 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 3,189 cc (6 cylinders), 2006 Audi A3 is equipped with a bigger engine. In terms of performance, 2006 Audi A3 (247 HP @ 6300 RPM) has 74 more horse power than 2005 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2006 Audi A3 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 35 kg more than 2006 Audi A3.
Because 2006 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 Audi A3 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 A3 (320 Nm @ 2800 RPM) has 55 more torque (in Nm) than 2005 Opel Signum. (265 Nm @ 2500 RPM). This means 2006 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2006 Audi A3 | 2005 Opel Signum | |
| Make | Audi | Opel |
| Model | A3 | Signum |
| Year Released | 2006 | 2005 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 1908 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 173 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 320 Nm | 265 Nm |
| Torque RPM | 2800 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 95.9 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 220 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1525 kg | 1560 kg |
| Vehicle Length | 4210 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2620 mm |
| Fuel Consumption Overall | 10.8 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
