2008 Opel Signum vs. 1973 Opel Admiral
To start off, 2008 Opel Signum is newer by 35 year(s). Which means there will be less support and parts availability for 1973 Opel Admiral. In addition, the cost of maintenance, including insurance, on 1973 Opel Admiral would be higher. At 2,784 cc (6 cylinders), 1973 Opel Admiral is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (173 HP @ 5500 RPM) has 31 more horse power than 1973 Opel Admiral. (142 HP @ 5200 RPM). In normal driving conditions, 2008 Opel Signum should accelerate faster than 1973 Opel Admiral. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 85 kg more than 1973 Opel Admiral. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Opel Admiral is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1973 Opel Admiral. However, in wet, icy, snow, or gravel driving conditions, 2008 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, 2008 Opel Signum (265 Nm @ 2500 RPM) has 38 more torque (in Nm) than 1973 Opel Admiral. (227 Nm @ 3600 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Admiral.
Compare all specifications:
| 2008 Opel Signum | 1973 Opel Admiral | |
| Make | Opel | Opel |
| Model | Signum | Admiral |
| Year Released | 2008 | 1973 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2784 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 142 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 265 Nm | 227 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 92 mm |
| Engine Stroke Size | 86 mm | 69.8 mm |
| Engine Compression Ratio | 9.5:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1475 kg |
| Vehicle Length | 4640 mm | 4910 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2850 mm |
| Fuel Tank Capacity | 60 L | 80 L |
