1956 Cadillac 6239D vs. 1976 Mazda RX-4
To start off, 1976 Mazda RX-4 is newer by 20 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 171 more horse power than 1976 Mazda RX-4. (114 HP @ 6000 RPM). In normal driving conditions, 1956 Cadillac 6239D should accelerate faster than 1976 Mazda RX-4. With that said, vehicle weight also plays an important factor in acceleration. 1956 Cadillac 6239D weights approximately 900 kg more than 1976 Mazda RX-4. 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 378 more torque (in Nm) than 1976 Mazda RX-4. (165 Nm @ 4000 RPM). This means 1956 Cadillac 6239D will have an easier job in driving up hills or pulling heavy equipment than 1976 Mazda RX-4.
Compare all specifications:
| 1956 Cadillac 6239D | 1976 Mazda RX-4 | |
| Make | Cadillac | Mazda |
| Model | 6239D | RX-4 |
| Year Released | 1956 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 5972 cc | 2616 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 285 HP | 114 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 543 Nm | 165 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2010 kg | 1110 kg |
| Vehicle Length | 5650 mm | 4400 mm |
| Vehicle Width | 2040 mm | 1670 mm |
| Vehicle Height | 1520 mm | 1390 mm |
| Wheelbase Size | 3280 mm | 2520 mm |
