2006 Alfa Romeo 159 vs. 2005 Mercedes-Benz S
To start off, 2006 Alfa Romeo 159 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 3,724 cc (6 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (242 HP @ 5700 RPM) has 45 more horse power than 2006 Alfa Romeo 159. (197 HP @ 4000 RPM) In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2006 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 160 kg more than 2006 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz S 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 Alfa Romeo 159 (400 Nm @ 2000 RPM) has 50 more torque (in Nm) than 2005 Mercedes-Benz S. (350 Nm @ 3000 RPM). This means 2006 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz S. 2005 Mercedes-Benz S has automatic transmission and 2006 Alfa Romeo 159 has manual transmission. 2006 Alfa Romeo 159 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2005 Mercedes-Benz S | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 159 | S |
| Year Released | 2006 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2385 cc | 3724 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 197 HP | 242 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 400 Nm | 350 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 97 mm |
| Engine Stroke Size | 90.4 mm | 84 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 226 km/hour | 241 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 7.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 1915 kg |
| Vehicle Length | 4670 mm | 5050 mm |
| Vehicle Width | 1840 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2860 mm |
| Fuel Consumption Overall | 7 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
