1977 Holden GTS vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Holden GTS. In addition, the cost of maintenance, including insurance, on 1977 Holden GTS would be higher. At 5,042 cc (8 cylinders), 1977 Holden GTS is equipped with a bigger engine. In terms of performance, 1977 Holden GTS (213 HP @ 4800 RPM) has 5 more horse power than 2005 Opel Signum. (208 HP @ 6000 RPM). In normal driving conditions, 1977 Holden GTS should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 135 kg more than 1977 Holden GTS.
Because 1977 Holden GTS 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 1977 Holden GTS. 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, 1977 Holden GTS (400 Nm @ 3100 RPM) has 100 more torque (in Nm) than 2005 Opel Signum. (300 Nm @ 4000 RPM). This means 1977 Holden GTS will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 1977 Holden GTS | 2005 Opel Signum | |
| Make | Holden | Opel |
| Model | GTS | Signum |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 5042 cc | 3174 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 213 HP | 208 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 400 Nm | 300 Nm |
| Torque RPM | 3100 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1475 kg | 1610 kg |
| Vehicle Length | 4850 mm | 4640 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2840 mm |
