2005 Audi A6 vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,671 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 179 more horse power than 2006 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 160 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.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 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, 2005 Audi A6 (350 Nm @ 1800 RPM) has 214 more torque (in Nm) than 2006 Fiat Siena. (136 Nm @ 2500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2005 Audi A6 | 2006 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A6 | Siena |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1697 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 68 HP |
| Engine RPM | 6300 RPM | 4600 RPM |
| Torque | 350 Nm | 136 Nm |
| Torque RPM | 1800 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 82.6 mm |
| Engine Stroke Size | 86 mm | 79.2 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1805 kg | 1645 kg |
| Vehicle Length | 4800 mm | 4000 mm |
| Vehicle Height | 1560 mm | 1700 mm |
| Wheelbase Size | 2770 mm | 2550 mm |
| Fuel Tank Capacity | 70 L | 47 L |
