2007 Alfa Romeo 166 vs. 2011 Mercedes-Benz CLS
To start off, 2011 Mercedes-Benz CLS is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 166 would be higher. At 5,500 cc (8 cylinders), 2011 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz CLS (518 HP @ 5250 RPM) has 340 more horse power than 2007 Alfa Romeo 166. (178 HP @ 4000 RPM) In normal driving conditions, 2011 Mercedes-Benz CLS should accelerate faster than 2007 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz CLS weights approximately 325 kg more than 2007 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 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 2011 Mercedes-Benz CLS. However, in wet, icy, snow, or gravel driving conditions, 2007 Alfa Romeo 166, 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, 2011 Mercedes-Benz CLS (699 Nm @ 1700 RPM) has 314 more torque (in Nm) than 2007 Alfa Romeo 166. (385 Nm @ 2000 RPM). This means 2011 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 166. 2011 Mercedes-Benz CLS has automatic transmission and 2007 Alfa Romeo 166 has manual transmission. 2007 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2011 Mercedes-Benz CLS | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 166 | CLS |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 5500 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 518 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 385 Nm | 699 Nm |
| Torque RPM | 2000 RPM | 1700 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1940 kg |
| Vehicle Length | 4730 mm | 4996 mm |
| Vehicle Width | 1810 mm | 1882 mm |
| Vehicle Height | 1420 mm | 1407 mm |
| Wheelbase Size | 2710 mm | 2875 mm |
| Fuel Tank Capacity | 69 L | 80 L |
