1956 Cadillac 6239D vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 48 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 160 more horse power than 2004 Opel Signum. (125 HP @ 5600 RPM). In normal driving conditions, 1956 Cadillac 6239D should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1956 Cadillac 6239D weights approximately 630 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1956 Cadillac 6239D is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1956 Cadillac 6239D. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 373 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 1956 Cadillac 6239D will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 1956 Cadillac 6239D | 2004 Opel Signum | |
| Make | Cadillac | Opel |
| Model | 6239D | Signum |
| Year Released | 1956 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 5972 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 285 HP | 125 HP |
| Engine RPM | 4600 RPM | 5600 RPM |
| Torque | 543 Nm | 170 Nm |
| Torque RPM | 2800 RPM | 3800 RPM |
| Engine Bore Size | 101.6 mm | 80.5 mm |
| Engine Stroke Size | 92.1 mm | 88.2 mm |
| Engine Compression Ratio | 9.7:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2010 kg | 1380 kg |
| Vehicle Length | 5650 mm | 4640 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1520 mm | 1470 mm |
| Wheelbase Size | 3280 mm | 2700 mm |
| Fuel Tank Capacity | 75 L | 58 L |
