2003 Alfa Romeo 166 vs. 2006 Mercedes-Benz S
To start off, 2006 Mercedes-Benz S 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 5,506 cc (12 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz S (493 HP @ 5000 RPM) has 276 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2006 Mercedes-Benz S should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 630 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 S 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 S. 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 S (800 Nm @ 1800 RPM) has 535 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2006 Mercedes-Benz S 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 S | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 166 | S |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 5506 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 217 HP | 493 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 265 Nm | 800 Nm |
| Torque RPM | 5000 RPM | 1800 RPM |
| Engine Bore Size | 93 mm | 82 mm |
| Engine Stroke Size | 72.6 mm | 87 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Acceleration 0-100mph | 8.6 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 2180 kg |
| Vehicle Length | 4730 mm | 5170 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 3090 mm |
| Fuel Consumption | 9.3 L/100km | 12.4 L/100km |
| Fuel Consumption City | 19.4 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 13 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 69 L | 88 L |
