2004 Audi A4 vs. 2005 Vauxhall Signum
To start off, 2005 Vauxhall Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 1,984 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (197 HP @ 5100 RPM) has 77 more horse power than 2005 Vauxhall Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2005 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 140 kg more than 2005 Vauxhall Signum. 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 2005 Vauxhall 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, 2004 Audi A4 (280 Nm @ 1800 RPM) has 113 more torque (in Nm) than 2005 Vauxhall Signum. (167 Nm @ 3800 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Vauxhall Signum.
Compare all specifications:
| 2004 Audi A4 | 2005 Vauxhall Signum | |
| Make | Audi | Vauxhall |
| Model | A4 | Signum |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 120 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 280 Nm | 167 Nm |
| Torque RPM | 1800 RPM | 3800 RPM |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1395 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2840 mm |
