2005 Alfa Romeo 156 vs. 2013 Mercedes-Benz S
To start off, 2013 Mercedes-Benz S is newer by 8 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 5,500 cc (12 cylinders), 2013 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz S (503 HP @ 5000 RPM) has 318 more horse power than 2005 Alfa Romeo 156. (185 HP @ 5000 RPM) In normal driving conditions, 2013 Mercedes-Benz S should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz S weights approximately 720 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 2013 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 2013 Mercedes-Benz S. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156, 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, 2013 Mercedes-Benz S (830 Nm @ 3500 RPM) has 609 more torque (in Nm) than 2005 Alfa Romeo 156. (221 Nm @ 5000 RPM). This means 2013 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2013 Mercedes-Benz S | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | S |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 5500 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 6 valves |
| Horse Power | 185 HP | 503 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 221 Nm | 830 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 88 mm | 82 mm |
| Engine Stroke Size | 68.3 mm | 87 mm |
| Engine Compression Ratio | 10.3:1 | 9.0:1 |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 4.6 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 2210 kg |
| Vehicle Length | 4730 mm | 5226 mm |
| Vehicle Width | 1820 mm | 2120 mm |
| Vehicle Height | 1420 mm | 1479 mm |
| Wheelbase Size | 2600 mm | 3165 mm |
