2006 BMW 645 vs. 2003 Buick Centieme
To start off, 2006 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Buick Centieme. In addition, the cost of maintenance, including insurance, on 2003 Buick Centieme would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 Buick Centieme (400 HP @ 6200 RPM) has 72 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2003 Buick Centieme should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 42 kg more than 2003 Buick Centieme.
Because 2003 Buick Centieme is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2003 Buick Centieme 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 Centieme (542 Nm @ 3200 RPM) has 92 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2003 Buick Centieme will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2006 BMW 645 | 2003 Buick Centieme | |
| Make | BMW | Buick |
| Model | 645 | Centieme |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 400 HP |
| Engine RPM | 6100 RPM | 6200 RPM |
| Torque | 450 Nm | 542 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1836 kg | 1794 kg |
| Vehicle Length | 4830 mm | 4790 mm |
| Vehicle Width | 1860 mm | 1980 mm |
| Vehicle Height | 1380 mm | 1640 mm |
| Wheelbase Size | 2790 mm | 3030 mm |
| Fuel Tank Capacity | 70 L | 64 L |
