1978 Audi 100 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Audi 100. In addition, the cost of maintenance, including insurance, on 1978 Audi 100 would be higher. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 123 more horse power than 1978 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 485 kg more than 1978 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, 2004 Opel Signum (300 Nm @ 4000 RPM) has 176 more torque (in Nm) than 1978 Audi 100. (124 Nm @ 3200 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 2004 Opel Signum | |
| Make | Audi | Opel |
| Model | 100 | Signum |
| Year Released | 1978 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 208 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 124 Nm | 300 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1595 kg |
| Vehicle Length | 4600 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2740 mm |
