2009 Audi Q7 vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi Q7. In addition, the cost of maintenance, including insurance, on 2009 Audi Q7 would be higher. At 5,934 cc (12 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (494 HP @ 3750 RPM) has 388 more horse power than 2011 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1510 kg more than 2011 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 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, 2009 Audi Q7 (1,000 Nm @ 1750 RPM) has 860 more torque (in Nm) than 2011 Fiat Siena. (140 Nm @ 4000 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena. 2009 Audi Q7 has automatic transmission and 2011 Fiat Siena has manual transmission. 2011 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 2011 Fiat Siena | |
| Make | Audi | Fiat |
| Model | Q7 | Siena |
| Year Released | 2009 | 2011 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 1581 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 494 HP | 106 HP |
| Engine RPM | 3750 RPM | 5500 RPM |
| Torque | 1000 Nm | 140 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 86.5 mm |
| Engine Stroke Size | 91.4 mm | 67.4 mm |
| Engine Compression Ratio | 16.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 5.5 seconds | 10.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2605 kg | 1095 kg |
| Vehicle Length | 5070 mm | 3550 mm |
| Vehicle Width | 2010 mm | 1640 mm |
| Vehicle Height | 1700 mm | 1490 mm |
| Wheelbase Size | 3010 mm | 2370 mm |
| Fuel Consumption Overall | 11.3 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 100 L | 47 L |
