1989 Porsche 911 vs. 1956 Rover P4
To start off, 1989 Porsche 911 is newer by 33 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 3,600 cc (6 cylinders), 1989 Porsche 911 is equipped with a bigger engine. In terms of performance, 1989 Porsche 911 (247 HP @ 6100 RPM) has 139 more horse power than 1956 Rover P4. (108 HP @ 4250 RPM). In normal driving conditions, 1989 Porsche 911 should accelerate faster than 1956 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 136 kg more than 1989 Porsche 911.
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, 1989 Porsche 911 (310 Nm @ 4800 RPM) has 104 more torque (in Nm) than 1956 Rover P4. (206 Nm @ 2500 RPM). This means 1989 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1956 Rover P4. 1956 Rover P4 has automatic transmission and 1989 Porsche 911 has manual transmission. 1989 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1956 Rover P4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Porsche 911 | 1956 Rover P4 | |
| Make | Porsche | Rover |
| Model | 911 | P4 |
| Year Released | 1989 | 1956 |
| Engine Position | Rear | Front |
| Engine Size | 3600 cc | 2638 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 247 HP | 108 HP |
| Engine RPM | 6100 RPM | 4250 RPM |
| Torque | 310 Nm | 206 Nm |
| Torque RPM | 4800 RPM | 2500 RPM |
| Engine Bore Size | 100 mm | 73 mm |
| Engine Stroke Size | 76.4 mm | 105 mm |
| Engine Compression Ratio | 11.3:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1486 kg |
| Vehicle Length | 4300 mm | 4530 mm |
| Vehicle Width | 1660 mm | 1670 mm |
| Vehicle Height | 1330 mm | 1320 mm |
| Wheelbase Size | 2270 mm | 2830 mm |
| Fuel Tank Capacity | 77 L | 52 L |
