1981 Audi 100 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 100. In addition, the cost of maintenance, including insurance, on 1981 Audi 100 would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (175 HP @ 4000 RPM) has 90 more horse power than 1981 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1981 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 560 kg more than 1981 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Opel Signum (370 Nm @ 1900 RPM) has 246 more torque (in Nm) than 1981 Audi 100. (124 Nm @ 3200 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 100.
Compare all specifications:
| 1981 Audi 100 | 2006 Opel Signum | |
| Make | Audi | Opel |
| Model | 100 | Signum |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 175 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 124 Nm | 370 Nm |
| Torque RPM | 3200 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1670 kg |
| Vehicle Length | 4600 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2840 mm |
