2003 Alfa Romeo 156 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,926 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (181 HP @ 2000 RPM) has 43 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6200 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 290 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 BMW X5 (410 Nm @ 2000 RPM) has 246 more torque (in Nm) than 2003 Alfa Romeo 156. (164 Nm @ 3900 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2006 BMW X5 has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2006 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | X5 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 2926 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 181 HP |
| Engine RPM | 6200 RPM | 2000 RPM |
| Torque | 164 Nm | 410 Nm |
| Torque RPM | 3900 RPM | 2000 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 208 km/hour | 195 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1340 kg | 1630 kg |
| Vehicle Length | 4440 mm | 4670 mm |
| Vehicle Width | 1750 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1720 mm |
| Wheelbase Size | 2600 mm | 2830 mm |
| Fuel Consumption Overall | 8.5 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 63 L | 93 L |
