2004 Audi A4 vs. 2001 Opel Signum
To start off, 2004 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 3,173 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (208 HP @ 6200 RPM) has 21 more horse power than 2004 Audi A4. (187 HP @ 5100 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 70 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2004 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, 2001 Opel Signum (300 Nm @ 4000 RPM) has 20 more torque (in Nm) than 2004 Audi A4. (280 Nm @ 1800 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2001 Opel Signum | |
| Make | Audi | Opel |
| Model | A4 | Signum |
| Year Released | 2004 | 2001 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 208 HP |
| Engine RPM | 5100 RPM | 6200 RPM |
| Torque | 280 Nm | 300 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 233 km/hour | 237 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1610 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2640 mm |
| Fuel Consumption Overall | 8.8 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
