1975 Audi 50 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1975 Audi 50. In addition, the cost of maintenance, including insurance, on 1975 Audi 50 would be higher. At 1,796 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (120 HP @ 6000 RPM) has 71 more horse power than 1975 Audi 50. (49 HP @ 5800 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1975 Audi 50. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 850 kg more than 1975 Audi 50. 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, 2003 Opel Signum (166 Nm @ 3800 RPM) has 89 more torque (in Nm) than 1975 Audi 50. (77 Nm @ 3500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi 50.
Compare all specifications:
| 1975 Audi 50 | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | 50 | Signum |
| Year Released | 1975 | 2003 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1091 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 49 HP | 120 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 77 Nm | 166 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | 4-speed manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 685 kg | 1535 kg |
| Vehicle Length | 3510 mm | 4640 mm |
| Vehicle Width | 1570 mm | 1800 mm |
