2006 Alfa Romeo 156 vs. 2007 Mercedes-Benz CLS
To start off, 2007 Mercedes-Benz CLS is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 would be higher. At 4,964 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (302 HP @ 5600 RPM) has 113 more horse power than 2006 Alfa Romeo 156. (189 HP @ 6300 RPM) In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz CLS weights approximately 225 kg more than 2006 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 Mercedes-Benz CLS. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2007 Mercedes-Benz CLS (460 Nm @ 2700 RPM) has 242 more torque (in Nm) than 2006 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156. 2007 Mercedes-Benz CLS has automatic transmission and 2006 Alfa Romeo 156 has manual transmission. 2006 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2007 Mercedes-Benz CLS | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | CLS |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4964 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 189 HP | 302 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 218 Nm | 460 Nm |
| Torque RPM | 5000 RPM | 2700 RPM |
| Engine Bore Size | 88 mm | 97 mm |
| Engine Stroke Size | 68.3 mm | 84 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1810 kg |
| Vehicle Length | 4440 mm | 4920 mm |
| Vehicle Width | 1750 mm | 1400 mm |
| Vehicle Height | 1440 mm | 1880 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 63 L | 89 L |
