2007 Audi S6 vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S6. In addition, the cost of maintenance, including insurance, on 2007 Audi S6 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S6 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S6 weights approximately 670 kg more than 2009 Fiat Siena.
Because 2007 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2007 Audi S6 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, 2007 Audi S6 (540 Nm @ 3000 RPM) has 405 more torque (in Nm) than 2009 Fiat Siena. (135 Nm @ 2500 RPM). This means 2007 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena. 2007 Audi S6 has automatic transmission and 2009 Fiat Siena has manual transmission. 2009 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S6 | 2009 Fiat Siena | |
| Make | Audi | Fiat |
| Model | S6 | Siena |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1697 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 435 HP | 0 HP |
| Torque | 540 Nm | 135 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Compression Ratio | 17.0:1 | 20.3:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1090 kg |
| Vehicle Length | 4920 mm | 4140 mm |
| Vehicle Width | 2020 mm | 1640 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2380 mm |
| Fuel Tank Capacity | 80 L | 47 L |
