1978 Cadillac Seville vs. 1956 Rover P4
To start off, 1978 Cadillac Seville is newer by 22 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1978 Cadillac Seville (123 HP @ 3600 RPM) has 72 more horse power than 1956 Rover P4. (51 HP @ 4000 RPM). In normal driving conditions, 1978 Cadillac Seville should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 510 kg more than 1956 Rover P4. 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, 1978 Cadillac Seville (304 Nm @ 1600 RPM) has 166 more torque (in Nm) than 1956 Rover P4. (138 Nm @ 2000 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4. 1978 Cadillac Seville has automatic transmission and 1956 Rover P4 has manual transmission. 1956 Rover P4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Cadillac Seville | 1956 Rover P4 | |
| Make | Cadillac | Rover |
| Model | Seville | P4 |
| Year Released | 1978 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 1997 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 51 HP |
| Engine RPM | 3600 RPM | 4000 RPM |
| Torque | 304 Nm | 138 Nm |
| Torque RPM | 1600 RPM | 2000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1890 kg | 1380 kg |
| Vehicle Length | 5190 mm | 4550 mm |
| Vehicle Width | 1830 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1620 mm |
| Wheelbase Size | 2910 mm | 2830 mm |
