2003 BMW X5 vs. 2004 Buick Rainier
To start off, 2004 Buick Rainier is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 4,398 cc (8 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2003 BMW X5 (338 HP) has 62 more horse power than 2004 Buick Rainier. (276 HP). In normal driving conditions, 2003 BMW X5 should accelerate faster than 2004 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 96 kg more than 2004 Buick Rainier. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 X5 (400 Nm) has 13 more torque (in Nm) than 2004 Buick Rainier. (387 Nm). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Rainier.
Compare all specifications:
| 2003 BMW X5 | 2004 Buick Rainier | |
| Make | BMW | Buick |
| Model | X5 | Rainier |
| Year Released | 2003 | 2004 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4195 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 276 HP |
| Torque | 400 Nm | 387 Nm |
| Engine Bore Size | 92 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 102 mm |
| Engine Compression Ratio | 10.0:1 | 10.1:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2195 kg | 2099 kg |
| Vehicle Length | 4670 mm | 4880 mm |
| Vehicle Width | 1880 mm | 1920 mm |
| Vehicle Height | 1720 mm | 1900 mm |
| Wheelbase Size | 2730 mm | 2900 mm |
| Fuel Consumption | 10.4 L/100km | 11.2 L/100km |
| Fuel Consumption City | 18.3 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 13.3 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 93 L | 83 L |
