1956 Cadillac 6239D vs. 1967 Holden HR
To start off, 1967 Holden HR is newer by 11 year(s). Which means there will be less support and parts availability for 1956 Cadillac 6239D. In addition, the cost of maintenance, including insurance, on 1956 Cadillac 6239D would be higher. At 5,972 cc (8 cylinders), 1956 Cadillac 6239D is equipped with a bigger engine. In terms of performance, 1956 Cadillac 6239D (285 HP @ 4600 RPM) has 177 more horse power than 1967 Holden HR. (108 HP @ 4200 RPM). In normal driving conditions, 1956 Cadillac 6239D should accelerate faster than 1967 Holden HR. With that said, vehicle weight also plays an important factor in acceleration. 1956 Cadillac 6239D weights approximately 720 kg more than 1967 Holden HR. 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, 1956 Cadillac 6239D (543 Nm @ 2800 RPM) has 298 more torque (in Nm) than 1967 Holden HR. (245 Nm @ 1600 RPM). This means 1956 Cadillac 6239D will have an easier job in driving up hills or pulling heavy equipment than 1967 Holden HR.
Compare all specifications:
| 1956 Cadillac 6239D | 1967 Holden HR | |
| Make | Cadillac | Holden |
| Model | 6239D | HR |
| Year Released | 1956 | 1967 |
| Engine Position | Front | Front |
| Engine Size | 5972 cc | 3048 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 285 HP | 108 HP |
| Engine RPM | 4600 RPM | 4200 RPM |
| Torque | 543 Nm | 245 Nm |
| Torque RPM | 2800 RPM | 1600 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2010 kg | 1290 kg |
| Vehicle Length | 5650 mm | 4610 mm |
| Vehicle Width | 2040 mm | 1790 mm |
| Vehicle Height | 1520 mm | 1490 mm |
| Wheelbase Size | 3280 mm | 2700 mm |
