1977 Holden GTS vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 29 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 4,139 cc (8 cylinders), 1977 Holden GTS is equipped with a bigger engine. In terms of performance, 1977 Holden GTS (158 HP @ 4550 RPM) has 34 more horse power than 2006 Opel Astra. (124 HP @ 5600 RPM). In normal driving conditions, 1977 Holden GTS should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1977 Holden GTS weights approximately 197 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Opel Astra, 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 (326 Nm @ 2600 RPM) has 156 more torque (in Nm) than 2006 Opel Astra. (170 Nm @ 3800 RPM). This means 1977 Holden GTS will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 1977 Holden GTS | 2006 Opel Astra | |
| Make | Holden | Opel |
| Model | GTS | Astra |
| Year Released | 1977 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4139 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 124 HP |
| Engine RPM | 4550 RPM | 5600 RPM |
| Torque | 326 Nm | 170 Nm |
| Torque RPM | 2600 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Vehicle Weight | 1475 kg | 1278 kg |
| Vehicle Length | 4850 mm | 4300 mm |
| Vehicle Width | 1880 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2830 mm | 2620 mm |
