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 134 more horse power than 1955 Rover P4. (74 HP @ 4200 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 130 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) has 95 more torque (in Nm) than 1955 Rover P4. (150 Nm). 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 | 2102 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 208 HP | 74 HP |
| Engine RPM | 6200 RPM | 4200 RPM |
| Torque | 245 Nm | 150 Nm |
| Engine Bore Size | 93 mm | 65.2 mm |
| Engine Stroke Size | 72.6 mm | 105 mm |
| Engine Compression Ratio | 9.5:1 | 7.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1390 kg |
| Vehicle Length | 4290 mm | 4590 mm |
| Vehicle Width | 1740 mm | 1670 mm |
| Vehicle Height | 1320 mm | 1620 mm |
| Wheelbase Size | 2520 mm | 2830 mm |
| Fuel Tank Capacity | 50 L | 52 L |
