2005 BMW X5 vs. 2007 Buick Rainier
To start off, 2007 Buick Rainier is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 4,163 cc (6 cylinders), 2007 Buick Rainier is equipped with a bigger engine. In terms of performance, 2007 Buick Rainier (291 HP @ 6000 RPM) has 76 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2007 Buick Rainier should accelerate faster than 2005 BMW X5.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Buick Rainier. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 144 more torque (in Nm) than 2007 Buick Rainier. (376 Nm @ 4800 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Buick Rainier. 2007 Buick Rainier has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Buick Rainier will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 2007 Buick Rainier | |
| Make | BMW | Buick |
| Model | X5 | Rainier |
| Year Released | 2005 | 2007 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 291 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 520 Nm | 376 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 93.1 mm |
| Engine Stroke Size | 90 mm | 101.9 mm |
| Engine Compression Ratio | 18.0:1 | 10.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4670 mm | 4920 mm |
| Vehicle Width | 1880 mm | 1920 mm |
| Vehicle Height | 1720 mm | 1900 mm |
| Wheelbase Size | 2830 mm | 2880 mm |
| Fuel Tank Capacity | 93 L | 83 L |
