2008 Alfa Romeo 166 vs. 2009 Mercedes-Benz SLK
To start off, 2009 Mercedes-Benz SLK is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2008 Alfa Romeo 166 would be higher. At 5,439 cc (8 cylinders), 2009 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SLK (355 HP @ 5750 RPM) has 177 more horse power than 2008 Alfa Romeo 166. (178 HP @ 4000 RPM) In normal driving conditions, 2009 Mercedes-Benz SLK should accelerate faster than 2008 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 166 weights approximately 375 kg more than 2009 Mercedes-Benz SLK.
Because 2009 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 2009 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2009 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 124 more torque (in Nm) than 2008 Alfa Romeo 166. (386 Nm @ 2000 RPM). This means 2009 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 166. 2009 Mercedes-Benz SLK has automatic transmission and 2008 Alfa Romeo 166 has manual transmission. 2008 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Alfa Romeo 166 | 2009 Mercedes-Benz SLK | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 166 | SLK |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 5439 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 178 HP | 355 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 386 Nm | 510 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 | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1615 kg | 1240 kg |
| Vehicle Length | 4730 mm | 4110 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2710 mm | 2440 mm |
| Fuel Consumption Overall | 7.5 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
