2003 BMW 645 vs. 2006 Buick Rainier
To start off, 2006 Buick Rainier is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 19 more horse power than 2006 Buick Rainier. (291 HP @ 6000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2006 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 148 kg more than 2006 Buick Rainier. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 2006 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 BMW 645 (450 Nm @ 3600 RPM) has 74 more torque (in Nm) than 2006 Buick Rainier. (376 Nm @ 4800 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Buick Rainier.
Compare all specifications:
2003 BMW 645 | 2006 Buick Rainier | |
Make | BMW | Buick |
Model | 645 | Rainier |
Year Released | 2003 | 2006 |
Body Type | Coupe | SUV |
Engine Position | Front | Front |
Engine Size | 4398 cc | 4163 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 310 HP | 291 HP |
Engine RPM | 6000 RPM | 6000 RPM |
Torque | 450 Nm | 376 Nm |
Torque RPM | 3600 RPM | 4800 RPM |
Drive Type | Rear | 4WD |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1698 kg | 1550 kg |
Vehicle Length | 4830 mm | 4920 mm |
Vehicle Width | 1860 mm | 1920 mm |
Vehicle Height | 1380 mm | 1900 mm |
Wheelbase Size | 2790 mm | 2880 mm |
Fuel Consumption | 8 L/100km | 11.2 L/100km |
Fuel Consumption City | 16.1 L/100km | 15.7 L/100km |
Fuel Consumption Overall | 10.9 L/100km | 13.1 L/100km |
Fuel Tank Capacity | 70 L | 83 L |