2006 Cadillac STS vs. 2011 BMW X6
To start off, 2011 BMW X6 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,556 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 76 more horse power than 2011 BMW X6. (244 HP @ 4000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2011 BMW X6.
Because 2011 BMW X6 is all wheel drive (AWD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2011 BMW X6 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, 2011 BMW X6 (600 Nm @ 1500 RPM) has 172 more torque (in Nm) than 2006 Cadillac STS. (428 Nm @ 4400 RPM). This means 2011 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2011 BMW X6 | |
| Make | Cadillac | BMW |
| Model | STS | X6 |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4556 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 | 244 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 428 Nm | 600 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Engine Bore Size | 93 mm | 90 mm |
| Engine Stroke Size | 84 mm | 84 mm |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4990 mm | 4877 mm |
| Vehicle Width | 1850 mm | 1983 mm |
| Vehicle Height | 1470 mm | 1690 mm |
| Wheelbase Size | 2960 mm | 2933 mm |
| Fuel Consumption Highway | 9.1 L/100km | 6.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 8.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 64 L | 85 L |
