2003 Alfa Romeo 166 vs. 2013 BMW X5
To start off, 2013 BMW X5 is newer by 10 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 4,400 cc (8 cylinders), 2013 BMW X5 is equipped with a bigger engine. In terms of performance, 2013 BMW X5 (395 HP @ 5500 RPM) has 148 more horse power than 2003 Alfa Romeo 166. (247 HP @ 6200 RPM) In normal driving conditions, 2013 BMW X5 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X5 weights approximately 900 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 2013 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 BMW X5 (610 Nm @ 4500 RPM) has 321 more torque (in Nm) than 2003 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2013 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2013 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. 2013 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2013 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | X5 |
| Year Released | 2003 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 395 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 289 Nm | 610 Nm |
| Torque RPM | 4800 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 78 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0 :1 |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1540 kg | 2440 kg |
| Vehicle Length | 4730 mm | 4857 mm |
| Vehicle Width | 1810 mm | 2197 mm |
| Vehicle Height | 1420 mm | 1776 mm |
| Wheelbase Size | 2550 mm | 2933 mm |
| Fuel Consumption | 9.1 L/100km | 9.9 L/100km |
| Fuel Consumption City | 18.3 L/100km | 15.3 L/100km |
| Fuel Tank Capacity | 69 L | 85 L |
