2006 BMW X5 vs. 2004 Buick Regal
To start off, 2006 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 28 more horse power than 2004 Buick Regal. (197 HP @ 5200 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 314 kg more than 2004 Buick Regal. 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 2004 Buick Regal. 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, 2004 Buick Regal (312 Nm @ 4000 RPM) has 22 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 2004 Buick Regal | |
| Make | BMW | Buick |
| Model | X5 | Regal |
| Year Released | 2006 | 2004 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 225 HP | 197 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 290 Nm | 312 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 89.6 mm | 86 mm |
| Engine Compression Ratio | 10.2:1 | 9.4:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1835 kg | 1521 kg |
| Vehicle Length | 4670 mm | 4990 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1770 mm | 1440 mm |
| Wheelbase Size | 2830 mm | 3080 mm |
| Fuel Consumption City | 15.7 L/100km | 11.9 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 10 L/100km |
| Fuel Tank Capacity | 92 L | 66 L |
