2006 Fiat Siena vs. 2005 Volkswagen Passat
To start off, 2006 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Volkswagen Passat. In addition, the cost of maintenance, including insurance, on 2005 Volkswagen Passat would be higher. At 2,771 cc (6 cylinders), 2005 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2005 Volkswagen Passat (190 HP @ 6000 RPM) has 122 more horse power than 2006 Fiat Siena. (68 HP @ 4600 RPM) In normal driving conditions, 2005 Volkswagen Passat should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 223 kg more than 2005 Volkswagen Passat.
Because 2005 Volkswagen Passat 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, 2005 Volkswagen Passat 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, 2005 Volkswagen Passat (280 Nm @ 3200 RPM) has 144 more torque (in Nm) than 2006 Fiat Siena. (136 Nm @ 2500 RPM). This means 2005 Volkswagen Passat will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2006 Fiat Siena | 2005 Volkswagen Passat | |
| Make | Fiat | Volkswagen |
| Model | Siena | Passat |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1697 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 68 HP | 190 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 136 Nm | 280 Nm |
| Torque RPM | 2500 RPM | 3200 RPM |
| Engine Bore Size | 82.6 mm | 82.5 mm |
| Engine Stroke Size | 79.2 mm | 86.4 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 16 seconds | 7.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1422 kg |
| Vehicle Length | 4000 mm | 4710 mm |
| Vehicle Height | 1700 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2710 mm |
| Fuel Consumption Overall | 6.9 L/100km | 10.5 L/100km |
| Fuel Tank Capacity | 47 L | 62 L |
