2005 Opel Signum vs. 1973 Volvo 1800
To start off, 2005 Opel Signum is newer by 32 year(s). Which means there will be less support and parts availability for 1973 Volvo 1800. In addition, the cost of maintenance, including insurance, on 1973 Volvo 1800 would be higher. At 2,171 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (124 HP @ 3250 RPM) has 28 more horse power than 1973 Volvo 1800. (96 HP @ 6000 RPM). In normal driving conditions, 2005 Opel Signum should accelerate faster than 1973 Volvo 1800. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 420 kg more than 1973 Volvo 1800. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Volvo 1800 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 Volvo 1800. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Signum (280 Nm @ 1500 RPM) has 126 more torque (in Nm) than 1973 Volvo 1800. (154 Nm @ 3500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 Volvo 1800.
Compare all specifications:
| 2005 Opel Signum | 1973 Volvo 1800 | |
| Make | Opel | Volvo |
| Model | Signum | 1800 |
| Year Released | 2005 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1986 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 124 HP | 96 HP |
| Engine RPM | 3250 RPM | 6000 RPM |
| Torque | 280 Nm | 154 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Vehicle Weight | 1610 kg | 1190 kg |
| Vehicle Length | 4640 mm | 4400 mm |
| Vehicle Width | 1800 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2460 mm |
