1956 Cadillac 6239D vs. 1971 Mercury Comet
To start off, 1971 Mercury Comet is newer by 15 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 203 more horse power than 1971 Mercury Comet. (82 HP @ 4400 RPM). In normal driving conditions, 1956 Cadillac 6239D should accelerate faster than 1971 Mercury Comet. With that said, vehicle weight also plays an important factor in acceleration. 1956 Cadillac 6239D weights approximately 786 kg more than 1971 Mercury Comet. 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 365 more torque (in Nm) than 1971 Mercury Comet. (178 Nm @ 1800 RPM). This means 1956 Cadillac 6239D will have an easier job in driving up hills or pulling heavy equipment than 1971 Mercury Comet. 1956 Cadillac 6239D has automatic transmission and 1971 Mercury Comet has manual transmission. 1971 Mercury Comet 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 | 1971 Mercury Comet | |
| Make | Cadillac | Mercury |
| Model | 6239D | Comet |
| Year Released | 1956 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 5972 cc | 2782 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 285 HP | 82 HP |
| Engine RPM | 4600 RPM | 4400 RPM |
| Torque | 543 Nm | 178 Nm |
| Torque RPM | 2800 RPM | 1800 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2010 kg | 1224 kg |
| Vehicle Length | 5650 mm | 4800 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1520 mm | 1360 mm |
| Wheelbase Size | 3280 mm | 2800 mm |
