2006 Audi A4 vs. 1998 Opel Signum
To start off, 2006 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Opel Signum. In addition, the cost of maintenance, including insurance, on 1998 Opel Signum would be higher. At 3,129 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (255 HP @ 6500 RPM) has 82 more horse power than 1998 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 314 kg more than 1998 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A4 (330 Nm @ 3250 RPM) has 145 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 2500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 2006 Audi A4 | 1998 Opel Signum | |
| Make | Audi | Opel |
| Model | A4 | Signum |
| Year Released | 2006 | 1998 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 173 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 330 Nm | 185 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1566 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 60 L |
