2006 Fiat Siena vs. 2004 Pontiac Vibe
To start off, 2006 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Pontiac Vibe. In addition, the cost of maintenance, including insurance, on 2004 Pontiac Vibe would be higher. At 1,796 cc (4 cylinders), 2004 Pontiac Vibe is equipped with a bigger engine. In terms of performance, 2004 Pontiac Vibe (122 HP @ 6000 RPM) has 54 more horse power than 2006 Fiat Siena. (68 HP @ 4600 RPM) In normal driving conditions, 2004 Pontiac Vibe should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 420 kg more than 2004 Pontiac Vibe.
Because 2004 Pontiac Vibe 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, 2004 Pontiac Vibe 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, 2004 Pontiac Vibe (160 Nm @ 4200 RPM) has 24 more torque (in Nm) than 2006 Fiat Siena. (136 Nm @ 2500 RPM). This means 2004 Pontiac Vibe will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2004 Pontiac Vibe 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. 2004 Pontiac Vibe will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Fiat Siena | 2004 Pontiac Vibe | |
| Make | Fiat | Pontiac |
| Model | Siena | Vibe |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1697 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 68 HP | 122 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 136 Nm | 160 Nm |
| Torque RPM | 2500 RPM | 4200 RPM |
| Engine Bore Size | 82.6 mm | 79.1 mm |
| Engine Stroke Size | 79.2 mm | 91 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1225 kg |
| Vehicle Length | 4000 mm | 4370 mm |
| Vehicle Height | 1700 mm | 1590 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
| Fuel Tank Capacity | 47 L | 45 L |
