2012 Mercedes-Benz CLS vs. 2005 Alfa Romeo 156
To start off, 2012 Mercedes-Benz CLS is newer by 7 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 4,663 cc (8 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 164 more horse power than 2005 Alfa Romeo 156. (238 HP @ 6200 RPM). In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 402 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 2012 Mercedes-Benz CLS 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 2012 Mercedes-Benz CLS. 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 311 more torque (in Nm) than 2005 Alfa Romeo 156. (289 Nm @ 4800 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2012 Mercedes-Benz CLS | 2005 Alfa Romeo 156 | |
| Make | Mercedes-Benz | Alfa Romeo |
| Model | CLS | 156 |
| Year Released | 2012 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4663 cc | 3179 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 402 HP | 238 HP |
| Engine RPM | 5000 RPM | 6200 RPM |
| Torque | 600 Nm | 289 Nm |
| Torque RPM | 1800 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 6.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | 7-speed shiftable automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1890 kg | 1488 kg |
| Vehicle Length | 4940 mm | 4310 mm |
| Vehicle Width | 1882 mm | 1750 mm |
| Vehicle Height | 1417 mm | 1330 mm |
| Wheelbase Size | 2875 mm | 2600 mm |
| Fuel Tank Capacity | 80 L | 63 L |
