2001 BMW 730 vs. 2003 Buick Rainier
To start off, 2003 Buick Rainier is newer by 2 year(s). Which means there will be less support and parts availability for 2001 BMW 730. In addition, the cost of maintenance, including insurance, on 2001 BMW 730 would be higher. At 4,195 cc (6 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2003 Buick Rainier (271 HP @ 6000 RPM) has 44 more horse power than 2001 BMW 730. (227 HP @ 5900 RPM) In normal driving conditions, 2003 Buick Rainier should accelerate faster than 2001 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 280 kg more than 2001 BMW 730. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2001 BMW 730. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rainier 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, 2003 Buick Rainier (373 Nm @ 3600 RPM) has 73 more torque (in Nm) than 2001 BMW 730. (300 Nm @ 3500 RPM). This means 2003 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW 730.
Compare all specifications:
| 2001 BMW 730 | 2003 Buick Rainier | |
| Make | BMW | Buick |
| Model | 730 | Rainier |
| Year Released | 2001 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2925 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 227 HP | 271 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 300 Nm | 373 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 89.6 mm | 102 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 2100 kg |
| Vehicle Length | 5180 mm | 4920 mm |
| Vehicle Width | 1910 mm | 1920 mm |
| Vehicle Height | 1500 mm | 1900 mm |
| Wheelbase Size | 3000 mm | 2880 mm |
| Fuel Tank Capacity | 88 L | 83 L |
