2005 Opel Signum vs. 1975 Volkswagen Passat
To start off, 2005 Opel Signum is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Volkswagen Passat. In addition, the cost of maintenance, including insurance, on 1975 Volkswagen Passat would be higher. At 1,796 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (120 HP) has 45 more horse power than 1975 Volkswagen Passat. (75 HP). In normal driving conditions, 2005 Opel Signum should accelerate faster than 1975 Volkswagen Passat. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 582 kg more than 1975 Volkswagen Passat. 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, 2005 Opel Signum (165 Nm @ 3800 RPM) has 51 more torque (in Nm) than 1975 Volkswagen Passat. (114 Nm @ 3200 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Volkswagen Passat.
Compare all specifications:
| 2005 Opel Signum | 1975 Volkswagen Passat | |
| Make | Opel | Volkswagen |
| Model | Signum | Passat |
| Year Released | 2005 | 1975 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1587 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 75 HP |
| Torque | 165 Nm | 114 Nm |
| Torque RPM | 3800 RPM | 3200 RPM |
| Engine Bore Size | 80.5 mm | 79.5 mm |
| Engine Stroke Size | 88.2 mm | 80 mm |
| Engine Compression Ratio | 10.5:1 | 8.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1482 kg | 900 kg |
| Vehicle Length | 4640 mm | 4300 mm |
| Vehicle Width | 1800 mm | 1610 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2840 mm | 2480 mm |
| Fuel Tank Capacity | 60 L | 45 L |
