1990 Fiat Uno vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Fiat Uno. In addition, the cost of maintenance, including insurance, on 1990 Fiat Uno would be higher. At 1,581 cc (4 cylinders), 2007 Fiat Siena is equipped with a bigger engine. In terms of performance, 2007 Fiat Siena (100 HP @ 5500 RPM) has 56 more horse power than 1990 Fiat Uno. (44 HP @ 5250 RPM) In normal driving conditions, 2007 Fiat Siena should accelerate faster than 1990 Fiat Uno. With that said, vehicle weight also plays an important factor in acceleration. 2007 Fiat Siena weights approximately 315 kg more than 1990 Fiat Uno. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2007 Fiat Siena (140 Nm @ 4000 RPM) has 61 more torque (in Nm) than 1990 Fiat Uno. (79 Nm @ 2750 RPM). This means 2007 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1990 Fiat Uno.
Compare all specifications:
| 1990 Fiat Uno | 2007 Fiat Siena | |
| Make | Fiat | Fiat |
| Model | Uno | Siena |
| Year Released | 1990 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 999 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 100 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 79 Nm | 140 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 755 kg | 1070 kg |
| Vehicle Width | 1570 mm | 1640 mm |
| Wheelbase Size | 2370 mm | 2380 mm |
