2005 Fiat Siena vs. 2010 Audi RS6
To start off, 2010 Audi RS6 is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2005 Fiat Siena would be higher. At 4,991 cc (10 cylinders), 2010 Audi RS6 is equipped with a bigger engine. In terms of performance, 2010 Audi RS6 (572 HP @ 6250 RPM) has 448 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM) In normal driving conditions, 2010 Audi RS6 should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2010 Audi RS6 weights approximately 933 kg more than 2005 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2010 Audi RS6 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, 2010 Audi RS6 (650 Nm @ 1500 RPM) has 510 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2010 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena. 2010 Audi RS6 has automatic transmission and 2005 Fiat Siena has manual transmission. 2005 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Fiat Siena | 2010 Audi RS6 | |
| Make | Fiat | Audi |
| Model | Siena | RS6 |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 4991 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 124 HP | 572 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 140 Nm | 650 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 86.4 mm | 84.5 mm |
| Engine Stroke Size | 67.4 mm | 89 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1095 kg | 2028 kg |
| Wheelbase Size | 2450 mm | 2850 mm |
| Fuel Tank Capacity | 47 L | 80 L |
