1990 Alfa Romeo SZ vs. 1955 Rover P4
To start off, 1990 Alfa Romeo SZ is newer by 35 year(s). Which means there will be less support and parts availability for 1955 Rover P4. In addition, the cost of maintenance, including insurance, on 1955 Rover P4 would be higher. At 2,957 cc (6 cylinders), 1990 Alfa Romeo SZ is equipped with a bigger engine. In terms of performance, 1990 Alfa Romeo SZ (208 HP @ 6200 RPM) has 129 more horse power than 1955 Rover P4. (79 HP @ 4500 RPM). In normal driving conditions, 1990 Alfa Romeo SZ should accelerate faster than 1955 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1955 Rover P4 weights approximately 140 kg more than 1990 Alfa Romeo SZ.
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, 1990 Alfa Romeo SZ (245 Nm @ 4500 RPM) has 57 more torque (in Nm) than 1955 Rover P4. (188 Nm @ 1750 RPM). This means 1990 Alfa Romeo SZ will have an easier job in driving up hills or pulling heavy equipment than 1955 Rover P4.
Compare all specifications:
| 1990 Alfa Romeo SZ | 1955 Rover P4 | |
| Make | Alfa Romeo | Rover |
| Model | SZ | P4 |
| Year Released | 1990 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2638 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 208 HP | 79 HP |
| Engine RPM | 6200 RPM | 4500 RPM |
| Torque | 245 Nm | 188 Nm |
| Torque RPM | 4500 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1260 kg | 1400 kg |
| Vehicle Length | 4290 mm | 4550 mm |
| Vehicle Width | 1740 mm | 1680 mm |
| Vehicle Height | 1320 mm | 1630 mm |
| Wheelbase Size | 2520 mm | 2830 mm |
| Fuel Tank Capacity | 50 L | 52 L |
