2009 Cadillac XLR vs. 1956 Cadillac 6239D
To start off, 2009 Cadillac XLR is newer by 53 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, 2009 Cadillac XLR (444 HP @ 6400 RPM) has 159 more horse power than 1956 Cadillac 6239D. (285 HP @ 4600 RPM). In normal driving conditions, 2009 Cadillac XLR should accelerate faster than 1956 Cadillac 6239D. With that said, vehicle weight also plays an important factor in acceleration. 1956 Cadillac 6239D weights approximately 289 kg more than 2009 Cadillac XLR.
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, 2009 Cadillac XLR (561 Nm @ 3900 RPM) has 18 more torque (in Nm) than 1956 Cadillac 6239D. (543 Nm @ 2800 RPM). This means 2009 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1956 Cadillac 6239D.
Compare all specifications:
| 2009 Cadillac XLR | 1956 Cadillac 6239D | |
| Make | Cadillac | Cadillac |
| Model | XLR | 6239D |
| Year Released | 2009 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 4369 cc | 5972 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 444 HP | 285 HP |
| Engine RPM | 6400 RPM | 4600 RPM |
| Torque | 561 Nm | 543 Nm |
| Torque RPM | 3900 RPM | 2800 RPM |
| Engine Bore Size | 91 mm | 101.6 mm |
| Engine Stroke Size | 84 mm | 92.1 mm |
| Engine Compression Ratio | 9.0:1 | 9.7:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1721 kg | 2010 kg |
| Vehicle Length | 4520 mm | 5650 mm |
| Vehicle Width | 1840 mm | 2040 mm |
| Vehicle Height | 1290 mm | 1520 mm |
| Wheelbase Size | 2690 mm | 3280 mm |
| Fuel Tank Capacity | 68 L | 75 L |
