2005 Alfa Romeo 156 vs. 2010 Mercedes-Benz SLK
To start off, 2010 Mercedes-Benz SLK is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 3,500 cc (6 cylinders), 2010 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2010 Mercedes-Benz SLK (300 HP @ 6500 RPM) has 127 more horse power than 2005 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2010 Mercedes-Benz SLK should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz SLK weights approximately 255 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 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 2010 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156, 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, 2010 Mercedes-Benz SLK (359 Nm @ 4900 RPM) has 172 more torque (in Nm) than 2005 Alfa Romeo 156. (187 Nm @ 3500 RPM). This means 2010 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2010 Mercedes-Benz SLK | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | SLK |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 300 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 187 Nm | 359 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1505 kg |
| Wheelbase Size | 2710 mm | 2431 mm |
| Fuel Tank Capacity | 63 L | 70 L |
