2004 Opel Signum vs. 1974 Holden Torana
To start off, 2004 Opel Signum is newer by 30 year(s). Which means there will be less support and parts availability for 1974 Holden Torana. In addition, the cost of maintenance, including insurance, on 1974 Holden Torana would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 72 more horse power than 1974 Holden Torana. (101 HP @ 5400 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 1974 Holden Torana. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 450 kg more than 1974 Holden Torana. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1974 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 1974 Holden Torana. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 109 more torque (in Nm) than 1974 Holden Torana. (156 Nm @ 2800 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1974 Holden Torana. 1974 Holden Torana has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1974 Holden Torana will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 1974 Holden Torana | |
| Make | Opel | Holden |
| Model | Signum | Torana |
| Year Released | 2004 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 101 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 265 Nm | 156 Nm |
| Torque RPM | 2500 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1560 kg | 1110 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 |
