2005 Mercedes-Benz S vs. 2001 Alfa Romeo 166
To start off, 2005 Mercedes-Benz S is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 166 would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (302 HP @ 5600 RPM) has 76 more horse power than 2001 Alfa Romeo 166. (226 HP @ 6200 RPM). In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2001 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 470 kg more than 2001 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2001 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Mercedes-Benz S (460 Nm @ 2700 RPM) has 185 more torque (in Nm) than 2001 Alfa Romeo 166. (275 Nm @ 5000 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 166. 2005 Mercedes-Benz S has automatic transmission and 2001 Alfa Romeo 166 has manual transmission. 2001 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mercedes-Benz S | 2001 Alfa Romeo 166 | |
| Make | Mercedes-Benz | Alfa Romeo |
| Model | S | 166 |
| Year Released | 2005 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 2959 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 302 HP | 226 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 460 Nm | 275 Nm |
| Torque RPM | 2700 RPM | 5000 RPM |
| Engine Bore Size | 97 mm | 93 mm |
| Engine Stroke Size | 84 mm | 72.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 243 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1980 kg | 1510 kg |
| Vehicle Length | 5050 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2720 mm | 2710 mm |
| Fuel Tank Capacity | 88 L | 72 L |
