2004 Alfa Romeo 156 vs. 2007 BMW X5
To start off, 2007 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 3,179 cc (6 cylinders), 2004 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (247 HP @ 6200 RPM) has 19 more horse power than 2007 BMW X5. (228 HP @ 5900 RPM). In normal driving conditions, 2004 Alfa Romeo 156 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 534 kg more than 2004 Alfa Romeo 156.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2007 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, 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:
| 2004 Alfa Romeo 156 | 2007 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | X5 |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 228 HP |
| Engine RPM | 6200 RPM | 5900 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 4800 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 78 mm | 89.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 210 km/hour |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1536 kg | 2070 kg |
| Vehicle Length | 4450 mm | 4670 mm |
| Vehicle Width | 1750 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1720 mm |
| Wheelbase Size | 2710 mm | 2830 mm |
| Fuel Consumption Overall | 12.3 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 63 L | 93 L |
