2005 Audi A3 vs. 2005 Opel Signum
To start off, both 2005 Audi A3 and 2005 Opel Signum were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Audi A3 (197 HP @ 5100 RPM) has 98 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2005 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 185 kg more than 2005 Audi A3.
Because 2005 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, 2005 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, 2005 Audi A3 (280 Nm @ 1800 RPM) has 50 more torque (in Nm) than 2005 Opel Signum. (230 Nm @ 1500 RPM). This means 2005 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2005 Audi A3 | 2005 Opel Signum | |
| Make | Audi | Opel |
| Model | A3 | Signum |
| Year Released | 2005 | 2005 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 99 HP |
| Engine RPM | 5100 RPM | 3120 RPM |
| Torque | 280 Nm | 230 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 11.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 234 km/hour | 185 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 14 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 | 1410 kg | 1595 kg |
| Vehicle Length | 4290 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2740 mm |
| Fuel Consumption Overall | 9.1 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
