1956 Fiat 1100 vs. 1951 Rover P4
To start off, 1956 Fiat 1100 is newer by 5 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, 1951 Rover P4 (75 HP @ 4200 RPM) has 26 more horse power than 1956 Fiat 1100. (49 HP @ 5400 RPM) In normal driving conditions, 1951 Rover P4 should accelerate faster than 1956 Fiat 1100. With that said, vehicle weight also plays an important factor in acceleration. 1951 Rover P4 weights approximately 540 kg more than 1956 Fiat 1100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 77 more torque (in Nm) than 1956 Fiat 1100. (73 Nm @ 4300 RPM). This means 1951 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1956 Fiat 1100.
Compare all specifications:
| 1956 Fiat 1100 | 1951 Rover P4 | |
| Make | Fiat | Rover |
| Model | 1100 | P4 |
| Year Released | 1956 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1089 cc | 2103 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 49 HP | 75 HP |
| Engine RPM | 5400 RPM | 4200 RPM |
| Torque | 73 Nm | 150 Nm |
| Torque RPM | 4300 RPM | 2500 RPM |
| Engine Bore Size | 68 mm | 65.2 mm |
| Engine Stroke Size | 74.9 mm | 105 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 850 kg | 1390 kg |
| Vehicle Length | 3970 mm | 4590 mm |
| Vehicle Width | 1460 mm | 1670 mm |
| Vehicle Height | 1450 mm | 1620 mm |
| Wheelbase Size | 2360 mm | 2830 mm |
| Fuel Tank Capacity | 38 L | 52 L |
