2003 Alfa Romeo 166 vs. 2010 BMW 550
To start off, 2010 BMW 550 is newer by 7 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 4,800 cc (8 cylinders), 2010 BMW 550 is equipped with a bigger engine. In terms of performance, 2010 BMW 550 (360 HP @ 6300 RPM) has 175 more horse power than 2003 Alfa Romeo 166. (185 HP @ 6300 RPM) In normal driving conditions, 2010 BMW 550 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW 550 weights approximately 355 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 BMW 550 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 2010 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2010 BMW 550 (488 Nm @ 3400 RPM) has 267 more torque (in Nm) than 2003 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 2010 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2010 BMW 550 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | 550 |
| Year Released | 2003 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 360 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 221 Nm | 488 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1435 kg | 1790 kg |
| Vehicle Length | 4730 mm | 4854 mm |
| Vehicle Width | 1810 mm | 1847 mm |
| Vehicle Height | 1420 mm | 1468 mm |
| Wheelbase Size | 2710 mm | 2888 mm |
| Fuel Consumption | 8.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 17.2 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
