1975 Holden Gemini vs. 1977 Porsche 911
To start off, 1977 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 1975 Holden Gemini. In addition, the cost of maintenance, including insurance, on 1975 Holden Gemini would be higher. At 3,299 cc (6 cylinders), 1977 Porsche 911 is equipped with a bigger engine. In terms of performance, 1977 Porsche 911 (296 HP @ 5500 RPM) has 215 more horse power than 1975 Holden Gemini. (81 HP @ 5200 RPM) In normal driving conditions, 1977 Porsche 911 should accelerate faster than 1975 Holden Gemini. With that said, vehicle weight also plays an important factor in acceleration. 1977 Porsche 911 weights approximately 450 kg more than 1975 Holden Gemini. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1977 Porsche 911 (431 Nm @ 4000 RPM) has 304 more torque (in Nm) than 1975 Holden Gemini. (127 Nm @ 3600 RPM). This means 1977 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 Holden Gemini.
Compare all specifications:
| 1975 Holden Gemini | 1977 Porsche 911 | |
| Make | Holden | Porsche |
| Model | Gemini | 911 |
| Year Released | 1975 | 1977 |
| Engine Position | Front | Rear |
| Engine Size | 1582 cc | 3299 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 81 HP | 296 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 127 Nm | 431 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 900 kg | 1350 kg |
| Vehicle Length | 4140 mm | 4300 mm |
| Vehicle Width | 1580 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2410 mm | 2270 mm |
