1956 Rover P4 vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 54 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 2 more horse power than 2010 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 1956 Rover P4 should accelerate faster than 2010 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 391 kg more than 2010 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1956 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 1956 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 2010 Fiat Siena, 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, 1956 Rover P4 (206 Nm @ 2500 RPM) has 66 more torque (in Nm) than 2010 Fiat Siena. (140 Nm @ 4000 RPM). This means 1956 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena. 1956 Rover P4 has automatic transmission and 2010 Fiat Siena has manual transmission. 2010 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1956 Rover P4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Rover P4 | 2010 Fiat Siena | |
| Make | Rover | Fiat |
| Model | P4 | Siena |
| Year Released | 1956 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2638 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 106 HP |
| Engine RPM | 4250 RPM | 5500 RPM |
| Torque | 206 Nm | 140 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 73 mm | 86.5 mm |
| Engine Stroke Size | 105 mm | 67.4 mm |
| Engine Compression Ratio | 8.5:1 | 10.2:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1486 kg | 1095 kg |
| Vehicle Length | 4530 mm | 3550 mm |
| Vehicle Width | 1670 mm | 1640 mm |
| Vehicle Height | 1320 mm | 1490 mm |
| Wheelbase Size | 2830 mm | 2370 mm |
| Fuel Tank Capacity | 52 L | 47 L |
