1981 Audi 80 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Audi 80. In addition, the cost of maintenance, including insurance, on 1981 Audi 80 would be higher. At 2,144 cc (5 cylinders), 1981 Audi 80 is equipped with a bigger engine. In terms of performance, 1981 Audi 80 (136 HP @ 5900 RPM) has 16 more horse power than 2006 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 1981 Audi 80 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 290 kg more than 1981 Audi 80.
Because 1981 Audi 80 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1981 Audi 80 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, 1981 Audi 80 (176 Nm @ 4500 RPM) has 8 more torque (in Nm) than 2006 Opel Signum. (168 Nm @ 3800 RPM). This means 1981 Audi 80 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 1981 Audi 80 | 2006 Opel Signum | |
| Make | Audi | Opel |
| Model | 80 | Signum |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 1796 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 120 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 176 Nm | 168 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 79.5 mm | 80.5 mm |
| Engine Stroke Size | 86.4 mm | 88.2 mm |
| Top Speed | 193 km/hour | 197 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1190 kg | 1480 kg |
| Vehicle Length | 4390 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2840 mm |
