1975 Holden Belmont vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Holden Belmont. In addition, the cost of maintenance, including insurance, on 1975 Holden Belmont would be higher. At 3,596 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (321 HP @ 6300 RPM) has 205 more horse power than 1975 Holden Belmont. (116 HP @ 4400 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1975 Holden Belmont. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 80 kg more than 1975 Holden Belmont. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Holden Belmont. In wet, icy, snow, or gravel driving conditions, 2007 Porsche 911 will offer significantly more control. 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, 2007 Porsche 911 (370 Nm @ 4250 RPM) has 142 more torque (in Nm) than 1975 Holden Belmont. (228 Nm @ 2000 RPM). This means 2007 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 | 2007 Porsche 911 | |
| Make | Holden | Porsche |
| Model | Belmont | 911 |
| Year Released | 1975 | 2007 |
| Engine Position | Front | Rear |
| Engine Size | 2834 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 116 HP | 321 HP |
| Engine RPM | 4400 RPM | 6300 RPM |
| Torque | 228 Nm | 370 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1325 kg | 1405 kg |
| Vehicle Length | 4850 mm | 4440 mm |
| Vehicle Width | 1890 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2360 mm |
