2003 Fiat Siena vs. 1991 Ford Mustang
To start off, 2003 Fiat Siena is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1991 Ford Mustang would be higher. At 2,301 cc (4 cylinders), 1991 Ford Mustang is equipped with a bigger engine. In terms of performance, 1991 Ford Mustang (106 HP @ 4600 RPM) has 37 more horse power than 2003 Fiat Siena. (69 HP @ 4500 RPM) In normal driving conditions, 1991 Ford Mustang should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Mustang weights approximately 160 kg more than 2003 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Ford Mustang 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 1991 Ford Mustang. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 1991 Ford Mustang (183 Nm @ 2600 RPM) has 55 more torque (in Nm) than 2003 Fiat Siena. (128 Nm @ 2500 RPM). This means 1991 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2003 Fiat Siena | 1991 Ford Mustang | |
| Make | Fiat | Ford |
| Model | Siena | Mustang |
| Year Released | 2003 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2301 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 69 HP | 106 HP |
| Engine RPM | 4500 RPM | 4600 RPM |
| Torque | 128 Nm | 183 Nm |
| Torque RPM | 2500 RPM | 2600 RPM |
| Engine Bore Size | 82.7 mm | 96 mm |
| Engine Stroke Size | 79.2 mm | 79.5 mm |
| Engine Compression Ratio | 20.3:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1100 kg | 1260 kg |
| Vehicle Length | 4110 mm | 4560 mm |
| Vehicle Width | 1630 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2380 mm | 2560 mm |
