2006 Fiat Siena vs. 2004 Mercedes-Benz SLK
To start off, 2006 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SLK would be higher. At 1,796 cc (4 cylinders), 2004 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SLK (161 HP @ 5500 RPM) has 60 more horse power than 2006 Fiat Siena. (101 HP @ 5500 RPM) In normal driving conditions, 2004 Mercedes-Benz SLK should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 518 kg more than 2004 Mercedes-Benz SLK.
Because 2004 Mercedes-Benz SLK 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 2004 Mercedes-Benz SLK. 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, 2004 Mercedes-Benz SLK (241 Nm @ 3000 RPM) has 101 more torque (in Nm) than 2006 Fiat Siena. (140 Nm @ 4000 RPM). This means 2004 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2004 Mercedes-Benz SLK 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 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Fiat Siena | 2004 Mercedes-Benz SLK | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | SLK |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 101 HP | 161 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 140 Nm | 241 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 86.4 mm | 82 mm |
| Engine Stroke Size | 67.4 mm | 85 mm |
| Top Speed | 184 km/hour | 226 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 8.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1783 kg | 1265 kg |
| Vehicle Length | 3830 mm | 4090 mm |
| Vehicle Width | 1640 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2380 mm | 2440 mm |
| Fuel Tank Capacity | 54 L | 70 L |
