2006 Opel Signum vs. 1975 Holden Torana
To start off, 2006 Opel Signum is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Holden Torana. In addition, the cost of maintenance, including insurance, on 1975 Holden Torana would be higher. At 1,910 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (118 HP @ 4000 RPM) has 17 more horse power than 1975 Holden Torana. (101 HP @ 5400 RPM). In normal driving conditions, 2006 Opel Signum should accelerate faster than 1975 Holden Torana. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 499 kg more than 1975 Holden Torana. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Holden Torana 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 1975 Holden Torana. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Opel Signum (281 Nm @ 2000 RPM) has 125 more torque (in Nm) than 1975 Holden Torana. (156 Nm @ 2800 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Holden Torana. 1975 Holden Torana has automatic transmission and 2006 Opel Signum has manual transmission. 2006 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Holden Torana will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Opel Signum | 1975 Holden Torana | |
| Make | Opel | Holden |
| Model | Signum | Torana |
| Year Released | 2006 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 101 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 281 Nm | 156 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1615 kg | 1116 kg |
| Vehicle Length | 4640 mm | 4500 mm |
| Vehicle Width | 1800 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1340 mm |
| Wheelbase Size | 2840 mm | 2590 mm |
