2003 Alfa Romeo 166 vs. 2001 BMW X5
To start off, 2003 Alfa Romeo 166 is newer by 2 year(s). Which means there will be less support and parts availability for 2001 BMW X5. In addition, the cost of maintenance, including insurance, on 2001 BMW X5 would be higher. At 2,979 cc (6 cylinders), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, 2001 BMW X5 (227 HP @ 5900 RPM) has 42 more horse power than 2003 Alfa Romeo 166. (185 HP @ 6300 RPM) In normal driving conditions, 2001 BMW X5 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 635 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 2001 BMW X5 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, 2001 BMW X5 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, 2001 BMW X5 (300 Nm @ 3500 RPM) has 79 more torque (in Nm) than 2003 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 2001 BMW X5 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 | 2001 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | X5 |
| Year Released | 2003 | 2001 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 227 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 221 Nm | 300 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Compression Ratio | 10.3:1 | 10.2:1 |
| Top Speed | 220 km/hour | 202 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1435 kg | 2070 kg |
| Vehicle Length | 4730 mm | 4670 mm |
| Vehicle Width | 1810 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1720 mm |
| Wheelbase Size | 2710 mm | 2830 mm |
| Fuel Consumption | 8.8 L/100km | 10.2 L/100km |
| Fuel Consumption City | 17.2 L/100km | 17.5 L/100km |
| Fuel Consumption Overall | 11.9 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 69 L | 93 L |
