2007 Fiat Siena vs. 2004 Ford Thunderbird
To start off, 2007 Fiat Siena is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Ford Thunderbird. In addition, the cost of maintenance, including insurance, on 2004 Ford Thunderbird would be higher. At 3,932 cc (8 cylinders), 2004 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 2004 Ford Thunderbird (280 HP @ 5500 RPM) has 208 more horse power than 2007 Fiat Siena. (72 HP @ 6000 RPM) In normal driving conditions, 2004 Ford Thunderbird should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Ford Thunderbird weights approximately 682 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Ford Thunderbird 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 2004 Ford Thunderbird. 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, 2004 Ford Thunderbird (369 Nm) has 267 more torque (in Nm) than 2007 Fiat Siena. (102 Nm). This means 2004 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2007 Fiat Siena | 2004 Ford Thunderbird | |
| Make | Fiat | Ford |
| Model | Siena | Thunderbird |
| Year Released | 2007 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 3932 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 72 HP | 280 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 102 Nm | 369 Nm |
| Engine Bore Size | 70.9 mm | 86 mm |
| Engine Stroke Size | 78.9 mm | 85 mm |
| Engine Compression Ratio | 9.1:1 | 10.8:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1752 kg |
| Vehicle Length | 3830 mm | 4740 mm |
| Vehicle Width | 1640 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2380 mm | 2730 mm |
| Fuel Consumption Overall | 7.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 54 L | 68 L |
