2009 Audi A3 vs. 2007 Opel Signum
To start off, 2009 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Signum. In addition, the cost of maintenance, including insurance, on 2007 Opel Signum would be higher. At 3,187 cc (6 cylinders), 2009 Audi A3 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (247 HP @ 6300 RPM) has 99 more horse power than 2007 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 3 kg more than 2009 Audi A3.
Because 2009 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A3 (320 Nm @ 2500 RPM) has 5 more torque (in Nm) than 2007 Opel Signum. (315 Nm @ 2000 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 2009 Audi A3 | 2007 Opel Signum | |
| Make | Audi | Opel |
| Model | A3 | Signum |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3187 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 148 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 320 Nm | 315 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 82 mm |
| Engine Stroke Size | 95.9 mm | 90.4 mm |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 209 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 10.5 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 | 1610 kg | 1613 kg |
| Vehicle Length | 4290 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
| Fuel Consumption Highway | 9.5 L/100km | 5.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 7.8 L/100km |
| Fuel Consumption Overall | 11.3 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
