2007 Volkswagen Passat 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 Volkswagen Passat. In addition, the cost of maintenance, including insurance, on 2007 Volkswagen Passat would be higher. At 1,598 cc (4 cylinders), 2007 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2007 Volkswagen Passat (113 HP @ 6000 RPM) has 7 more horse power than 2009 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2007 Volkswagen Passat should accelerate faster than 2009 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Volkswagen Passat weights approximately 333 kg more than 2009 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, 2007 Volkswagen Passat (155 Nm @ 4000 RPM) has 15 more torque (in Nm) than 2009 Fiat Siena. (140 Nm @ 4000 RPM). This means 2007 Volkswagen Passat will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2007 Volkswagen Passat | 2009 Fiat Siena | |
| Make | Volkswagen | Fiat |
| Model | Passat | Siena |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 106 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 155 Nm | 140 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 76.5 mm | 86.5 mm |
| Engine Stroke Size | 86.9 mm | 67.4 mm |
| Engine Compression Ratio | 12.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 11.4 seconds | 10.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1428 kg | 1095 kg |
| Vehicle Length | 4770 mm | 3550 mm |
| Vehicle Width | 1830 mm | 1640 mm |
| Vehicle Height | 1480 mm | 1490 mm |
| Wheelbase Size | 2720 mm | 2370 mm |
| Fuel Consumption Overall | 7.5 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 47 L |
