2004 Audi A6 vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,983 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (220 HP @ 4000 RPM) has 120 more horse power than 2006 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 47 kg more than 2006 Fiat Siena. 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, 2004 Audi A6 (300 Nm) has 226 more torque (in Nm) than 2006 Fiat Siena. (74 Nm). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2004 Audi A6 | 2006 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A6 | Siena |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 220 HP | 100 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 300 Nm | 74 Nm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1783 kg |
| Vehicle Length | 4880 mm | 3830 mm |
| Vehicle Width | 1820 mm | 1640 mm |
| Vehicle Height | 1480 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2380 mm |
| Fuel Consumption Overall | 11.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
