2003 Alfa Romeo 166 vs. 2005 BMW X3
To start off, 2005 BMW X3 is newer by 2 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 2,983 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 BMW X3 (228 HP @ 5900 RPM) has 80 more horse power than 2003 Alfa Romeo 166. (148 HP @ 4000 RPM) In normal driving conditions, 2005 BMW X3 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 293 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 2005 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2005 BMW X3 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2005 BMW X3 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | X3 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2983 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 228 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 205 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 7.8 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1542 kg | 1835 kg |
| Vehicle Length | 4730 mm | 4570 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Consumption | 6.1 L/100km | 9.4 L/100km |
| Fuel Consumption City | 9.9 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 7.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 69 L | 67 L |
