2007 BMW 525 vs. 1999 Buick Regal
To start off, 2007 BMW 525 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Buick Regal. In addition, the cost of maintenance, including insurance, on 1999 Buick Regal would be higher. At 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 1999 Buick Regal (245 HP @ 5200 RPM) has 30 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 1999 Buick Regal should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 65 kg more than 2007 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 525 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 2007 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Buick Regal (380 Nm @ 3600 RPM) has 130 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2900 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2007 BMW 525 | 1999 Buick Regal | |
| Make | BMW | Buick |
| Model | 525 | Regal |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 3789 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 245 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 250 Nm | 380 Nm |
| Torque RPM | 2900 RPM | 3600 RPM |
| Engine Bore Size | 82 mm | 97 mm |
| Engine Stroke Size | 78.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Fuel Type | Gasoline | 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 | 1495 kg | 1560 kg |
| Vehicle Length | 4850 mm | 4990 mm |
| Vehicle Width | 1470 mm | 1850 mm |
| Vehicle Height | 1850 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 64 L |
