2005 Alfa Romeo 156 vs. 2006 Mercedes-Benz SLK
To start off, 2006 Mercedes-Benz SLK is newer by 1 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 5,439 cc (8 cylinders), 2006 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SLK (355 HP @ 5750 RPM) has 207 more horse power than 2005 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2006 Mercedes-Benz SLK should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SLK weights approximately 105 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 2005 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156 will offer significantly more control. 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, 2006 Mercedes-Benz SLK (511 Nm @ 4000 RPM) has 201 more torque (in Nm) than 2005 Alfa Romeo 156. (310 Nm @ 2000 RPM). This means 2006 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2006 Mercedes-Benz SLK has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2006 Mercedes-Benz SLK | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | SLK |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 5439 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 148 HP | 355 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 310 Nm | 511 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 97 mm |
| Engine Stroke Size | 90.4 mm | 92 mm |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 200 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 4.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1690 kg |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1280 mm |
| Wheelbase Size | 2600 mm | 2410 mm |
| Fuel Consumption Overall | 6.8 L/100km | 13 L/100km |
| Fuel Tank Capacity | 50 L | 70 L |
