1977 Holden GTS vs. 1975 Porsche 930
To start off, 1977 Holden GTS is newer by 2 year(s). Which means there will be less support and parts availability for 1975 Porsche 930. In addition, the cost of maintenance, including insurance, on 1975 Porsche 930 would be higher. At 4,139 cc (8 cylinders), 1977 Holden GTS is equipped with a bigger engine. In terms of performance, 1975 Porsche 930 (256 HP @ 5500 RPM) has 98 more horse power than 1977 Holden GTS. (158 HP @ 4550 RPM) In normal driving conditions, 1975 Porsche 930 should accelerate faster than 1977 Holden GTS. With that said, vehicle weight also plays an important factor in acceleration. 1977 Holden GTS weights approximately 335 kg more than 1975 Porsche 930.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1975 Porsche 930 (351 Nm @ 3000 RPM) has 25 more torque (in Nm) than 1977 Holden GTS. (326 Nm @ 2600 RPM). This means 1975 Porsche 930 will have an easier job in driving up hills or pulling heavy equipment than 1977 Holden GTS.
Compare all specifications:
| 1977 Holden GTS | 1975 Porsche 930 | |
| Make | Holden | Porsche |
| Model | GTS | 930 |
| Year Released | 1977 | 1975 |
| Engine Position | Front | Rear |
| Engine Size | 4139 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 256 HP |
| Engine RPM | 4550 RPM | 5500 RPM |
| Torque | 326 Nm | 351 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1475 kg | 1140 kg |
| Vehicle Length | 4850 mm | 4300 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1320 mm |
| Wheelbase Size | 2830 mm | 2510 mm |
