2006 Fiat Siena vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 6 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 3,498 cc (6 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (305 HP @ 3500 RPM) has 205 more horse power than 2006 Fiat Siena. (100 HP @ 5500 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 48 kg more than 2012 Mercedes-Benz CLS.
Because 2012 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 2012 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, 2012 Mercedes-Benz CLS (370 Nm @ 3500 RPM) has 296 more torque (in Nm) than 2006 Fiat Siena. (74 Nm @ 5500 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2012 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. 2012 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Fiat Siena | 2012 Mercedes-Benz CLS | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | CLS |
| Year Released | 2006 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 305 HP |
| Engine RPM | 5500 RPM | 3500 RPM |
| Torque | 74 Nm | 370 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Engine Compression Ratio | 9.5:1 | 12.0:1 |
| Acceleration 0-100mph | 11.1 seconds | 6.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1783 kg | 1735 kg |
| Vehicle Length | 3830 mm | 4940 mm |
| Vehicle Width | 1640 mm | 1882 mm |
| Vehicle Height | 1440 mm | 1417 mm |
| Wheelbase Size | 2380 mm | 2875 mm |
| Fuel Tank Capacity | 54 L | 80 L |
