2004 Alfa Romeo 156 vs. 1957 Rover P4
To start off, 2004 Alfa Romeo 156 is newer by 47 year(s). Which means there will be less support and parts availability for 1957 Rover P4. In addition, the cost of maintenance, including insurance, on 1957 Rover P4 would be higher. At 2,636 cc (6 cylinders), 1957 Rover P4 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (148 HP @ 4000 RPM) has 55 more horse power than 1957 Rover P4. (93 HP @ 4250 RPM). In normal driving conditions, 2004 Alfa Romeo 156 should accelerate faster than 1957 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 95 kg more than 1957 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 1957 Rover P4. In wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156 will offer significantly more control. 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, 2004 Alfa Romeo 156 (300 Nm @ 2000 RPM) has 94 more torque (in Nm) than 1957 Rover P4. (206 Nm @ 2500 RPM). This means 2004 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1957 Rover P4. 1957 Rover P4 has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1957 Rover P4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 1957 Rover P4 | |
| Make | Alfa Romeo | Rover |
| Model | 156 | P4 |
| Year Released | 2004 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2636 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 93 HP |
| Engine RPM | 4000 RPM | 4250 RPM |
| Torque | 300 Nm | 206 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 82 mm | 73 mm |
| Engine Stroke Size | 90.4 mm | 105 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1525 kg | 1430 kg |
| Vehicle Width | 1750 mm | 1680 mm |
| Vehicle Height | 1460 mm | 1620 mm |
| Wheelbase Size | 2600 mm | 2830 mm |
| Fuel Tank Capacity | 63 L | 52 L |
