2003 Alfa Romeo 147 vs. 1973 Rover P5B
To start off, 2003 Alfa Romeo 147 is newer by 30 year(s). Which means there will be less support and parts availability for 1973 Rover P5B. In addition, the cost of maintenance, including insurance, on 1973 Rover P5B would be higher. At 3,528 cc (8 cylinders), 1973 Rover P5B is equipped with a bigger engine. In terms of performance, 1973 Rover P5B (158 HP @ 5200 RPM) has 54 more horse power than 2003 Alfa Romeo 147. (104 HP @ 5600 RPM) In normal driving conditions, 1973 Rover P5B should accelerate faster than 2003 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 1973 Rover P5B weights approximately 315 kg more than 2003 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Rover P5B 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 1973 Rover P5B. However, in wet, icy, snow, or gravel driving conditions, 2003 Alfa Romeo 147, 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, 1973 Rover P5B (295 Nm @ 3000 RPM) has 155 more torque (in Nm) than 2003 Alfa Romeo 147. (140 Nm @ 4200 RPM). This means 1973 Rover P5B will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 147. 1973 Rover P5B has automatic transmission and 2003 Alfa Romeo 147 has manual transmission. 2003 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Rover P5B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 147 | 1973 Rover P5B | |
| Make | Alfa Romeo | Rover |
| Model | 147 | P5B |
| Year Released | 2003 | 1973 |
| Engine Size | 1598 cc | 3528 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 158 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 140 Nm | 295 Nm |
| Torque RPM | 4200 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1265 kg | 1580 kg |
| Vehicle Length | 4180 mm | 4750 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1480 mm |
| Wheelbase Size | 2550 mm | 2820 mm |
