2006 Fiat Siena vs. 2008 Mercedes-Benz CLS
To start off, 2008 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2006 Fiat Siena would be higher. At 5,439 cc (8 cylinders), 2008 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz CLS (470 HP @ 6100 RPM) has 402 more horse power than 2006 Fiat Siena. (68 HP @ 4600 RPM) In normal driving conditions, 2008 Mercedes-Benz CLS should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz CLS weights approximately 275 kg more than 2006 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mercedes-Benz CLS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 Mercedes-Benz CLS. However, in wet, icy, snow, or gravel driving conditions, 2006 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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, 2008 Mercedes-Benz CLS (700 Nm @ 2650 RPM) has 564 more torque (in Nm) than 2006 Fiat Siena. (136 Nm @ 2500 RPM). This means 2008 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2008 Mercedes-Benz CLS 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. 2008 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Fiat Siena | 2008 Mercedes-Benz CLS | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | CLS |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1697 cc | 5439 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 68 HP | 470 HP |
| Engine RPM | 4600 RPM | 6100 RPM |
| Torque | 136 Nm | 700 Nm |
| Torque RPM | 2500 RPM | 2650 RPM |
| Engine Bore Size | 82.6 mm | 97 mm |
| Engine Stroke Size | 79.2 mm | 92 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 16 seconds | 4.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1920 kg |
| Vehicle Length | 4000 mm | 4920 mm |
| Vehicle Height | 1700 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2860 mm |
| Fuel Consumption Overall | 6.9 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 47 L | 80 L |
