2006 Fiat Siena vs. 1948 Triumph Roadster
To start off, 2006 Fiat Siena is newer by 58 year(s). Which means there will be less support and parts availability for 1948 Triumph Roadster. In addition, the cost of maintenance, including insurance, on 1948 Triumph Roadster would be higher. At 1,776 cc (4 cylinders), 1948 Triumph Roadster is equipped with a bigger engine. In terms of performance, 2006 Fiat Siena (68 HP @ 4600 RPM) has 6 more horse power than 1948 Triumph Roadster. (62 HP @ 4500 RPM). In normal driving conditions, 2006 Fiat Siena should accelerate faster than 1948 Triumph Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 493 kg more than 1948 Triumph Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1948 Triumph Roadster 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 1948 Triumph Roadster. 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, 2006 Fiat Siena (136 Nm @ 2500 RPM) has 11 more torque (in Nm) than 1948 Triumph Roadster. (125 Nm @ 2000 RPM). This means 2006 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1948 Triumph Roadster.
Compare all specifications:
| 2006 Fiat Siena | 1948 Triumph Roadster | |
| Make | Fiat | Triumph |
| Model | Siena | Roadster |
| Year Released | 2006 | 1948 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Front |
| Engine Size | 1697 cc | 1776 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 68 HP | 62 HP |
| Engine RPM | 4600 RPM | 4500 RPM |
| Torque | 136 Nm | 125 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Bore Size | 82.6 mm | 73 mm |
| Engine Stroke Size | 79.2 mm | 106 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1645 kg | 1152 kg |
| Vehicle Length | 4000 mm | 4290 mm |
| Vehicle Height | 1700 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2550 mm |
