1979 Fiat 133 vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 28 year(s). Which means there will be less support and parts availability for 1979 Fiat 133. In addition, the cost of maintenance, including insurance, on 1979 Fiat 133 would be higher. At 1,697 cc (4 cylinders), 2007 Fiat Siena is equipped with a bigger engine. In terms of performance, 2007 Fiat Siena (68 HP @ 4600 RPM) has 34 more horse power than 1979 Fiat 133. (34 HP @ 4800 RPM) In normal driving conditions, 2007 Fiat Siena should accelerate faster than 1979 Fiat 133. With that said, vehicle weight also plays an important factor in acceleration. 2007 Fiat Siena weights approximately 400 kg more than 1979 Fiat 133. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 Fiat 133 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 1979 Fiat 133. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Fiat Siena (135 Nm @ 2500 RPM) has 81 more torque (in Nm) than 1979 Fiat 133. (54 Nm @ 3200 RPM). This means 2007 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1979 Fiat 133.
Compare all specifications:
| 1979 Fiat 133 | 2007 Fiat Siena | |
| Make | Fiat | Fiat |
| Model | 133 | Siena |
| Year Released | 1979 | 2007 |
| Engine Position | Rear | Front |
| Engine Size | 843 cc | 1697 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 34 HP | 68 HP |
| Engine RPM | 4800 RPM | 4600 RPM |
| Torque | 54 Nm | 135 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Compression Ratio | 7.9:1 | 20.3:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 690 kg | 1090 kg |
| Vehicle Length | 3460 mm | 4140 mm |
| Vehicle Width | 1430 mm | 1640 mm |
| Vehicle Height | 1330 mm | 1440 mm |
| Wheelbase Size | 2030 mm | 2380 mm |
