2005 BMW 730 vs. 2002 Buick Regal
To start off, 2005 BMW 730 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Buick Regal. In addition, the cost of maintenance, including insurance, on 2002 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2002 Buick Regal is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (225 HP @ 4000 RPM) has 20 more horse power than 2002 Buick Regal. (205 HP @ 5200 RPM). In normal driving conditions, 2005 BMW 730 should accelerate faster than 2002 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 415 kg more than 2002 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 189 more torque (in Nm) than 2002 Buick Regal. (311 Nm @ 4000 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2002 Buick Regal.
Compare all specifications:
| 2005 BMW 730 | 2002 Buick Regal | |
| Make | BMW | Buick |
| Model | 730 | Regal |
| Year Released | 2005 | 2002 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 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 | 205 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 500 Nm | 311 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84.1 mm | 97 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 18.0:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1975 kg | 1560 kg |
| Vehicle Length | 5050 mm | 4990 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2780 mm |
| Fuel Tank Capacity | 88 L | 64 L |
