2003 Alfa Romeo 166 vs. 2004 BMW X5
To start off, 2004 BMW X5 is newer by 1 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 4,799 cc (8 cylinders), 2004 BMW X5 is equipped with a bigger engine. In terms of performance, 2004 BMW X5 (355 HP @ 6200 RPM) has 170 more horse power than 2003 Alfa Romeo 166. (185 HP @ 6300 RPM) In normal driving conditions, 2004 BMW X5 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X5 weights approximately 840 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 2004 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, 2004 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, 2004 BMW X5 (500 Nm @ 3600 RPM) has 279 more torque (in Nm) than 2003 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 2004 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2004 BMW X5 has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2004 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | X5 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 355 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 221 Nm | 500 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Acceleration 0-100mph | 8.4 seconds | 6.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1435 kg | 2275 kg |
| Vehicle Length | 4730 mm | 4670 mm |
| Vehicle Width | 1810 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1730 mm |
| Wheelbase Size | 2710 mm | 2940 mm |
| Fuel Consumption | 8.8 L/100km | 10.5 L/100km |
| Fuel Consumption City | 17.2 L/100km | 18.7 L/100km |
| Fuel Consumption Overall | 11.9 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 69 L | 93 L |
