2003 Alfa Romeo 166 vs. 2006 Mercedes-Benz SLK
To start off, 2006 Mercedes-Benz SLK is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,999 cc (6 cylinders), 2006 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SLK (228 HP @ 6000 RPM) has 11 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2006 Mercedes-Benz SLK should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SLK weights approximately 148 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2003 Alfa Romeo 166, 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, 2006 Mercedes-Benz SLK (300 Nm @ 2700 RPM) has 35 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2006 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2006 Mercedes-Benz SLK | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 166 | SLK |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 217 HP | 228 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 300 Nm |
| Torque RPM | 5000 RPM | 2700 RPM |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 6.3 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1698 kg |
| Vehicle Length | 4730 mm | 4090 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2440 mm |
| Fuel Consumption Highway | 9.3 L/100km | 8.7 L/100km |
| Fuel Consumption City | 19.4 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 13 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
