1999 Alfa Romeo 145 vs. 1951 Rover P4
To start off, 1999 Alfa Romeo 145 is newer by 48 year(s). Which means there will be less support and parts availability for 1951 Rover P4. In addition, the cost of maintenance, including insurance, on 1951 Rover P4 would be higher. At 2,103 cc (6 cylinders), 1951 Rover P4 is equipped with a bigger engine. In terms of performance, 1999 Alfa Romeo 145 (104 HP @ 6300 RPM) has 29 more horse power than 1951 Rover P4. (75 HP @ 4200 RPM). In normal driving conditions, 1999 Alfa Romeo 145 should accelerate faster than 1951 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1951 Rover P4 weights approximately 255 kg more than 1999 Alfa Romeo 145.
Because 1951 Rover P4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1951 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 1999 Alfa Romeo 145, being front wheel drive (FWD), will offer much better control with better grip. 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, 1951 Rover P4 (150 Nm @ 2500 RPM) has 26 more torque (in Nm) than 1999 Alfa Romeo 145. (124 Nm @ 4600 RPM). This means 1951 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 145.
Compare all specifications:
| 1999 Alfa Romeo 145 | 1951 Rover P4 | |
| Make | Alfa Romeo | Rover |
| Model | 145 | P4 |
| Year Released | 1999 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1369 cc | 2103 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 104 HP | 75 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 124 Nm | 150 Nm |
| Torque RPM | 4600 RPM | 2500 RPM |
| Engine Bore Size | 82 mm | 65.2 mm |
| Engine Stroke Size | 64.9 mm | 105 mm |
| Engine Compression Ratio | 10.5:1 | 7.3:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1135 kg | 1390 kg |
| Vehicle Length | 4070 mm | 4590 mm |
| Vehicle Width | 1720 mm | 1670 mm |
| Vehicle Height | 1440 mm | 1620 mm |
| Wheelbase Size | 2550 mm | 2830 mm |
| Fuel Tank Capacity | 51 L | 52 L |
