1966 Alfa Romeo GT vs. 1951 Rover P4
To start off, 1966 Alfa Romeo GT is newer by 15 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, 1966 Alfa Romeo GT (104 HP @ 6000 RPM) has 29 more horse power than 1951 Rover P4. (75 HP @ 4200 RPM). In normal driving conditions, 1966 Alfa Romeo GT should accelerate faster than 1951 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1951 Rover P4 weights approximately 460 kg more than 1966 Alfa Romeo GT.
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, 1951 Rover P4 (150 Nm @ 2500 RPM) has 13 more torque (in Nm) than 1966 Alfa Romeo GT. (137 Nm @ 3200 RPM). This means 1951 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo GT.
Compare all specifications:
| 1966 Alfa Romeo GT | 1951 Rover P4 | |
| Make | Alfa Romeo | Rover |
| Model | GT | P4 |
| Year Released | 1966 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 2103 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 75 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 137 Nm | 150 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 74 mm | 65.2 mm |
| Engine Stroke Size | 75 mm | 105 mm |
| Engine Compression Ratio | 9.0:1 | 7.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1390 kg |
| Vehicle Length | 4090 mm | 4590 mm |
| Vehicle Width | 1590 mm | 1670 mm |
| Vehicle Height | 1320 mm | 1620 mm |
| Wheelbase Size | 2360 mm | 2830 mm |
| Fuel Tank Capacity | 46 L | 52 L |
