2003 BMW 730 vs. 2004 Buick Regal
To start off, 2004 Buick Regal is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW 730. In addition, the cost of maintenance, including insurance, on 2003 BMW 730 would be higher. At 3,786 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (251 HP @ 5200 RPM) has 23 more horse power than 2003 BMW 730. (228 HP @ 5900 RPM) In normal driving conditions, 2004 Buick Regal should accelerate faster than 2003 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 730 weights approximately 192 kg more than 2004 Buick Regal.
Because 2003 BMW 730 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2004 Buick Regal, being front wheel drive (FWD), will offer much better control with better grip. 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 (388 Nm) has 88 more torque (in Nm) than 2003 BMW 730. (300 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 730.
Compare all specifications:
| 2003 BMW 730 | 2004 Buick Regal | |
| Make | BMW | Buick |
| Model | 730 | Regal |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 3786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 228 HP | 251 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 300 Nm | 388 Nm |
| Engine Bore Size | 84.1 mm | 97 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1790 kg | 1598 kg |
| Vehicle Length | 5040 mm | 4990 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 3000 mm | 2780 mm |
| Fuel Tank Capacity | 63 L | 64 L |
