2005 Audi A6 vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 2 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 1,984 cc (4 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (128 HP @ 4000 RPM) has 28 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 465 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.
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, 2005 Audi A6 (285 Nm @ 1750 RPM) has 145 more torque (in Nm) than 2007 Fiat Siena. (140 Nm @ 4000 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2005 Audi A6 | 2007 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A6 | Siena |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 100 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 285 Nm | 140 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Compression Ratio | 20.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 10.7 seconds | 11.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1070 kg |
| Vehicle Width | 1820 mm | 1640 mm |
| Wheelbase Size | 2770 mm | 2380 mm |
| Fuel Consumption Overall | 5.7 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
