2003 Alfa Romeo 166 vs. 2006 BMW 525
To start off, 2006 BMW 525 is newer by 3 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 2,999 cc, 2006 BMW 525 is equipped with a bigger engine. In terms of performance, 2006 BMW 525 (215 HP @ 6250 RPM) has 43 more horse power than 2003 Alfa Romeo 166. (172 HP @ 4000 RPM) In normal driving conditions, 2006 BMW 525 should accelerate faster than 2003 Alfa Romeo 166.
Because 2006 BMW 525 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 2006 BMW 525. 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, 2003 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 134 more torque (in Nm) than 2006 BMW 525. (251 Nm @ 2750 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2006 BMW 525 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | 525 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2999 cc |
| Horse Power | 172 HP | 215 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 385 Nm | 251 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4730 mm | 4860 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2890 mm |
| Fuel Consumption Overall | 7.2 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 72 L | 70 L |
