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 6,206 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 359 more horse power than 2006 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2006 Alfa Romeo 156.
Because 2006 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo 156 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, 2007 Mercedes-Benz CLS (631 Nm @ 5200 RPM) has 326 more torque (in Nm) than 2006 Alfa Romeo 156. (305 Nm @ 2000 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 | 1910 cc | 6206 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 507 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 305 Nm | 631 Nm |
| Torque RPM | 2000 RPM | 5200 RPM |
| Engine Bore Size | 82 mm | 102.2 mm |
| Engine Stroke Size | 90.4 mm | 94.6 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4450 mm | 4910 mm |
| Vehicle Width | 1770 mm | 1880 mm |
| Vehicle Height | 1480 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 7.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 50 L | 80 L |
