2007 Fiat Siena vs. 2007 Mercedes-Benz Viano
To start off, both 2007 Fiat Siena and 2007 Mercedes-Benz Viano were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,148 cc (4 cylinders), 2007 Mercedes-Benz Viano is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz Viano (148 HP @ 3800 RPM) has 48 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM) In normal driving conditions, 2007 Mercedes-Benz Viano should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz Viano weights approximately 1020 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 Mercedes-Benz Viano (330 Nm @ 1800 RPM) has 190 more torque (in Nm) than 2007 Fiat Siena. (140 Nm @ 4000 RPM). This means 2007 Mercedes-Benz Viano will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2007 Mercedes-Benz Viano has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz Viano will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Fiat Siena | 2007 Mercedes-Benz Viano | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | Viano |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 2148 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 |
| Engine RPM | 5500 RPM | 3800 RPM |
| Torque | 140 Nm | 330 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Engine Compression Ratio | 9.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 179 km/hour | 169 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 11.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 2090 kg |
| Vehicle Width | 1640 mm | 1880 mm |
| Wheelbase Size | 2380 mm | 3210 mm |
| Fuel Consumption Overall | 8.2 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 54 L | 79 L |
