2009 BMW X5 vs. 2007 Cadillac STS
To start off, 2009 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 54 more horse power than 2009 BMW X5. (268 HP @ 6650 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2009 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 310 kg more than 2007 Cadillac STS.
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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 112 more torque (in Nm) than 2009 BMW X5. (315 Nm @ 2750 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X5.
Compare all specifications:
| 2009 BMW X5 | 2007 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | X5 | STS |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 268 HP | 322 HP |
| Engine RPM | 6650 RPM | 6400 RPM |
| Torque | 315 Nm | 427 Nm |
| Torque RPM | 2750 RPM | 4400 RPM |
| Engine Bore Size | 85 mm | 93 mm |
| Engine Stroke Size | 88 mm | 84 mm |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 6.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2130 kg | 1820 kg |
| Vehicle Length | 4860 mm | 4990 mm |
| Vehicle Width | 1940 mm | 1850 mm |
| Vehicle Height | 1750 mm | 1470 mm |
| Wheelbase Size | 2940 mm | 2960 mm |
| Fuel Consumption Highway | 11.2 L/100km | 9.1 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 85 L | 66 L |
