2004 Audi A4 vs. 2008 Fiat Siena
To start off, 2008 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 1,781 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (161 HP @ 5700 RPM) has 61 more horse power than 2008 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2008 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 556 kg more than 2008 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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, 2004 Audi A4 (230 Nm @ 1950 RPM) has 156 more torque (in Nm) than 2008 Fiat Siena. (74 Nm @ 5500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Siena.
Compare all specifications:
| 2004 Audi A4 | 2008 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A4 | Siena |
| Year Released | 2004 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 100 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 230 Nm | 74 Nm |
| Torque RPM | 1950 RPM | 5500 RPM |
| Engine Bore Size | 81 mm | 86.4 mm |
| Engine Stroke Size | 86.4 mm | 67.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 222 km/hour | 184 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 11.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1074 kg |
| Vehicle Length | 4580 mm | 3550 mm |
| Vehicle Width | 1780 mm | 1640 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2380 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 66 L | 54 L |
