2009 Cadillac STS vs. 2007 BMW X5
To start off, 2009 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW X5. In addition, the cost of maintenance, including insurance, on 2007 BMW X5 would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 105 more horse power than 2007 BMW X5. (215 HP @ 4000 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 612 kg more than 2009 Cadillac STS.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X5 (500 Nm @ 2000 RPM) has 73 more torque (in Nm) than 2009 Cadillac STS. (427 Nm @ 4400 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2007 BMW X5 | |
| Make | Cadillac | BMW |
| Model | STS | X5 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 215 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 427 Nm | 500 Nm |
| Torque RPM | 4400 RPM | 2000 RPM |
| Engine Compression Ratio | 10.2:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 2172 kg |
| Vehicle Length | 5000 mm | 4670 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2960 mm | 2830 mm |
| Fuel Consumption Overall | 13.1 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 64 L | 93 L |
