2008 BMW X5 vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (328 HP @ 6100 RPM) has 7 more horse power than 2009 Cadillac STS. (321 HP @ 6400 RPM). In normal driving conditions, 2008 BMW X5 should accelerate faster than 2009 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 371 kg more than 2009 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW X5. In wet, icy, snow, or gravel driving conditions, 2009 Cadillac STS 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, 2008 BMW X5 (440 Nm @ 3700 RPM) has 13 more torque (in Nm) than 2009 Cadillac STS. (427 Nm @ 4400 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2008 BMW X5 | 2009 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | X5 | STS |
| Year Released | 2008 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4565 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 321 HP |
| Engine RPM | 6100 RPM | 6400 RPM |
| Torque | 440 Nm | 427 Nm |
| Torque RPM | 3700 RPM | 4400 RPM |
| Engine Bore Size | 92 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 229 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 6.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2191 kg | 1820 kg |
| Vehicle Length | 4870 mm | 4990 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2960 mm |
| Fuel Consumption Overall | 15.4 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 85 L | 66 L |
