1991 Fiat Panda vs. 2003 Fiat Siena
To start off, 2003 Fiat Siena is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Fiat Panda. In addition, the cost of maintenance, including insurance, on 1991 Fiat Panda would be higher. At 1,301 cc (4 cylinders), 2003 Fiat Siena is equipped with a bigger engine. In terms of performance, 2003 Fiat Siena (59 HP @ 5200 RPM) has 8 more horse power than 1991 Fiat Panda. (51 HP @ 5200 RPM) In normal driving conditions, 2003 Fiat Siena should accelerate faster than 1991 Fiat Panda. With that said, vehicle weight also plays an important factor in acceleration. 2003 Fiat Siena weights approximately 280 kg more than 1991 Fiat Panda. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Fiat Panda is four wheel drive (4WD), it will have significant more traction and grip than 2003 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 1991 Fiat Panda will offer significantly more control. 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, 2003 Fiat Siena (103 Nm @ 2500 RPM) has 17 more torque (in Nm) than 1991 Fiat Panda. (86 Nm @ 3000 RPM). This means 2003 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1991 Fiat Panda.
Compare all specifications:
| 1991 Fiat Panda | 2003 Fiat Siena | |
| Make | Fiat | Fiat |
| Model | Panda | Siena |
| Year Released | 1991 | 2003 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1108 cc | 1301 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 51 HP | 59 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 86 Nm | 103 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 70.1 mm | 70.8 mm |
| Engine Stroke Size | 72 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 760 kg | 1040 kg |
| Vehicle Length | 3410 mm | 4110 mm |
| Vehicle Width | 1500 mm | 1630 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2170 mm | 2380 mm |
