1963 Fiat Grand Break vs. 1956 Rover P4
To start off, 1963 Fiat Grand Break is newer by 7 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 would be higher. At 2,638 cc (6 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 1956 Rover P4 (108 HP @ 4250 RPM) has 12 more horse power than 1963 Fiat Grand Break. (96 HP @ 5300 RPM) In normal driving conditions, 1956 Rover P4 should accelerate faster than 1963 Fiat Grand Break. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 216 kg more than 1963 Fiat Grand Break. 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, 1956 Rover P4 (206 Nm @ 2500 RPM) has 64 more torque (in Nm) than 1963 Fiat Grand Break. (142 Nm @ 3000 RPM). This means 1956 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1963 Fiat Grand Break.
Compare all specifications:
| 1963 Fiat Grand Break | 1956 Rover P4 | |
| Make | Fiat | Rover |
| Model | Grand Break | P4 |
| Year Released | 1963 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 1793 cc | 2638 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 96 HP | 108 HP |
| Engine RPM | 5300 RPM | 4250 RPM |
| Torque | 142 Nm | 206 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Compression Ratio | 9.2:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1270 kg | 1486 kg |
| Vehicle Length | 4490 mm | 4530 mm |
| Vehicle Width | 1630 mm | 1670 mm |
| Vehicle Height | 1490 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Tank Capacity | 37 L | 52 L |
