1975 Holden Belmont vs. 1973 Porsche 911
To start off, 1975 Holden Belmont is newer by 2 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 2,834 cc (6 cylinders), 1975 Holden Belmont is equipped with a bigger engine. In terms of performance, 1973 Porsche 911 (208 HP @ 6300 RPM) has 92 more horse power than 1975 Holden Belmont. (116 HP @ 4400 RPM) In normal driving conditions, 1973 Porsche 911 should accelerate faster than 1975 Holden Belmont. With that said, vehicle weight also plays an important factor in acceleration. 1975 Holden Belmont weights approximately 375 kg more than 1973 Porsche 911.
Let's talk about torque, 1973 Porsche 911 (260 Nm @ 5100 RPM) has 32 more torque (in Nm) than 1975 Holden Belmont. (228 Nm @ 2000 RPM). This means 1973 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 Holden Belmont.
Compare all specifications:
| 1975 Holden Belmont | 1973 Porsche 911 | |
| Make | Holden | Porsche |
| Model | Belmont | 911 |
| Year Released | 1975 | 1973 |
| Engine Position | Front | Rear |
| Engine Size | 2834 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 116 HP | 208 HP |
| Engine RPM | 4400 RPM | 6300 RPM |
| Torque | 228 Nm | 260 Nm |
| Torque RPM | 2000 RPM | 5100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1325 kg | 950 kg |
| Vehicle Length | 4850 mm | 4110 mm |
| Vehicle Width | 1890 mm | 1660 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2830 mm | 2280 mm |
