2005 Alfa Romeo 156 vs. 2004 Mercedes-Benz S
To start off, 2005 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz S would be higher. At 4,964 cc (8 cylinders), 2004 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz S (302 HP @ 5600 RPM) has 154 more horse power than 2005 Alfa Romeo 156. (148 HP @ 6400 RPM) In normal driving conditions, 2004 Mercedes-Benz S should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz S weights approximately 695 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 2004 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Mercedes-Benz S (460 Nm @ 2700 RPM) has 279 more torque (in Nm) than 2005 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 2004 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2004 Mercedes-Benz S has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2004 Mercedes-Benz S | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | S |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4964 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 148 HP | 302 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 181 Nm | 460 Nm |
| Torque RPM | 3800 RPM | 2700 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 214 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 6.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1285 kg | 1980 kg |
| Vehicle Length | 4440 mm | 5050 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Consumption Overall | 8.7 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
