2008 Audi A6 vs. 2006 Fiat Siena
To start off, 2008 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2006 Fiat Siena would be higher. At 5,203 cc (10 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (429 HP @ 6800 RPM) has 357 more horse power than 2006 Fiat Siena. (72 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 800 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 2008 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, 2008 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, 2008 Audi A6 (540 Nm @ 3000 RPM) has 438 more torque (in Nm) than 2006 Fiat Siena. (102 Nm @ 3250 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2008 Audi A6 has automatic transmission and 2006 Fiat Siena has manual transmission. 2006 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 2006 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A6 | Siena |
| Year Released | 2008 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5203 cc | 1242 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 429 HP | 72 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 540 Nm | 102 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Bore Size | 84.5 mm | 70.8 mm |
| Engine Stroke Size | 92.8 mm | 78.8 mm |
| Engine Compression Ratio | 12.5:1 | 9.1:1 |
| Top Speed | 250 km/hour | 164 km/hour |
| Acceleration 0-100mph | 5.3 seconds | 13.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1970 kg | 1170 kg |
| Vehicle Length | 4940 mm | 3830 mm |
| Vehicle Width | 1870 mm | 1640 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2380 mm |
| Fuel Consumption Overall | 13.4 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 80 L | 54 L |
