1956 Cadillac 6239D vs. 1970 Pontiac GTO
To start off, 1970 Pontiac GTO is newer by 14 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 6,548 cc (8 cylinders), 1970 Pontiac GTO is equipped with a bigger engine. In terms of performance, 1970 Pontiac GTO (365 HP @ 5100 RPM) has 80 more horse power than 1956 Cadillac 6239D. (285 HP @ 4600 RPM) In normal driving conditions, 1970 Pontiac GTO should accelerate faster than 1956 Cadillac 6239D. With that said, vehicle weight also plays an important factor in acceleration. 1956 Cadillac 6239D weights approximately 295 kg more than 1970 Pontiac GTO.
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, 1970 Pontiac GTO (603 Nm @ 3600 RPM) has 60 more torque (in Nm) than 1956 Cadillac 6239D. (543 Nm @ 2800 RPM). This means 1970 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 1956 Cadillac 6239D. 1956 Cadillac 6239D has automatic transmission and 1970 Pontiac GTO has manual transmission. 1970 Pontiac GTO will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1956 Cadillac 6239D will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Cadillac 6239D | 1970 Pontiac GTO | |
| Make | Cadillac | Pontiac |
| Model | 6239D | GTO |
| Year Released | 1956 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 5972 cc | 6548 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 285 HP | 365 HP |
| Engine RPM | 4600 RPM | 5100 RPM |
| Torque | 543 Nm | 603 Nm |
| Torque RPM | 2800 RPM | 3600 RPM |
| Engine Bore Size | 101.6 mm | 104.6 mm |
| Engine Stroke Size | 92.1 mm | 95.3 mm |
| Engine Compression Ratio | 9.7:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2010 kg | 1715 kg |
| Vehicle Length | 5650 mm | 5160 mm |
| Vehicle Width | 2040 mm | 1950 mm |
| Vehicle Height | 1520 mm | 1340 mm |
| Wheelbase Size | 3280 mm | 2850 mm |
| Fuel Tank Capacity | 75 L | 67 L |
