2007 Audi A4 vs. 1998 Opel Signum
To start off, 2007 Audi A4 is newer by 9 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 2,967 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (222 HP @ 4000 RPM) has 74 more horse power than 1998 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 575 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 2007 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, 2007 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 265 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 2000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 2007 Audi A4 | 1998 Opel Signum | |
| Make | Audi | Opel |
| Model | A4 | Signum |
| Year Released | 2007 | 1998 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 222 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 185 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Compression Ratio | 17.0:1 | 18.0:1 |
| Acceleration 0-100mph | 7.4 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 | 1430 kg | 855 kg |
| Vehicle Length | 4550 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 60 L |
