2007 Fiat Siena vs. 2007 Opel Zafira
To start off, both 2007 Fiat Siena and 2007 Opel Zafira were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,198 cc (4 cylinders), 2007 Opel Zafira is equipped with a bigger engine. In terms of performance, 2007 Opel Zafira (148 HP) has 48 more horse power than 2007 Fiat Siena. (100 HP) In normal driving conditions, 2007 Opel Zafira should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Zafira weights approximately 425 kg more than 2007 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 Opel Zafira (216 Nm @ 4000 RPM) has 141 more torque (in Nm) than 2007 Fiat Siena. (75 Nm @ 5500 RPM). This means 2007 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2007 Fiat Siena | 2007 Opel Zafira | |
| Make | Fiat | Opel |
| Model | Siena | Zafira |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 148 HP |
| Torque | 75 Nm | 216 Nm |
| Torque RPM | 5500 RPM | 4000 RPM |
| Engine Bore Size | 86.4 mm | 86 mm |
| Engine Stroke Size | 67.4 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 184 km/hour | 200 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 10 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 1495 kg |
| Vehicle Width | 1640 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1640 mm |
| Wheelbase Size | 2380 mm | 2700 mm |
| Fuel Consumption Overall | 8.2 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 54 L | 58 L |
