2006 Fiat Siena vs. 1968 Plymouth GTX
To start off, 2006 Fiat Siena is newer by 38 year(s). Which means there will be less support and parts availability for 1968 Plymouth GTX. In addition, the cost of maintenance, including insurance, on 1968 Plymouth GTX would be higher. At 7,206 cc (8 cylinders), 1968 Plymouth GTX is equipped with a bigger engine. In terms of performance, 1968 Plymouth GTX (375 HP @ 4600 RPM) has 274 more horse power than 2006 Fiat Siena. (101 HP @ 5500 RPM) In normal driving conditions, 1968 Plymouth GTX should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 186 kg more than 1968 Plymouth GTX.
Because 1968 Plymouth GTX 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 1968 Plymouth GTX. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 1968 Plymouth GTX (651 Nm @ 3200 RPM) has 511 more torque (in Nm) than 2006 Fiat Siena. (140 Nm @ 4000 RPM). This means 1968 Plymouth GTX will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 1968 Plymouth GTX has automatic transmission and 2006 Fiat Siena has manual transmission. 2006 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1968 Plymouth GTX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Fiat Siena | 1968 Plymouth GTX | |
| Make | Fiat | Plymouth |
| Model | Siena | GTX |
| Year Released | 2006 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 7206 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 101 HP | 375 HP |
| Engine RPM | 5500 RPM | 4600 RPM |
| Torque | 140 Nm | 651 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 86.4 mm | 109.7 mm |
| Engine Stroke Size | 67.4 mm | 95.3 mm |
| Engine Compression Ratio | 9.5:1 | 10.1:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1783 kg | 1597 kg |
| Vehicle Length | 3830 mm | 5160 mm |
| Vehicle Width | 1640 mm | 1950 mm |
| Vehicle Height | 1440 mm | 1340 mm |
| Wheelbase Size | 2380 mm | 2950 mm |
| Fuel Tank Capacity | 54 L | 72 L |
