1966 Holden HD vs. 1985 Porsche 911
To start off, 1985 Porsche 911 is newer by 19 year(s). Which means there will be less support and parts availability for 1966 Holden HD. In addition, the cost of maintenance, including insurance, on 1966 Holden HD would be higher. At 3,164 cc (6 cylinders), 1985 Porsche 911 is equipped with a bigger engine. In terms of performance, 1985 Porsche 911 (228 HP @ 5900 RPM) has 106 more horse power than 1966 Holden HD. (122 HP @ 4600 RPM) In normal driving conditions, 1985 Porsche 911 should accelerate faster than 1966 Holden HD. With that said, vehicle weight also plays an important factor in acceleration. 1985 Porsche 911 weights approximately 10 kg more than 1966 Holden HD. 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, 1985 Porsche 911 (286 Nm @ 4800 RPM) has 49 more torque (in Nm) than 1966 Holden HD. (237 Nm @ 2200 RPM). This means 1985 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1966 Holden HD.
Compare all specifications:
| 1966 Holden HD | 1985 Porsche 911 | |
| Make | Holden | Porsche |
| Model | HD | 911 |
| Year Released | 1966 | 1985 |
| Engine Position | Front | Rear |
| Engine Size | 2930 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 122 HP | 228 HP |
| Engine RPM | 4600 RPM | 5900 RPM |
| Torque | 237 Nm | 286 Nm |
| Torque RPM | 2200 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1200 kg | 1210 kg |
| Vehicle Length | 4580 mm | 4300 mm |
| Vehicle Width | 1790 mm | 1660 mm |
| Vehicle Height | 1510 mm | 1330 mm |
| Wheelbase Size | 2700 mm | 2280 mm |
