2009 BMW 730 vs. 2006 Cadillac STS
To start off, 2009 BMW 730 is newer by 3 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 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 BMW 730 (254 HP @ 6600 RPM) has 1 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM). In normal driving conditions, 2009 BMW 730 should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 730 weights approximately 38 kg more than 2006 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 42 more torque (in Nm) than 2009 BMW 730. (300 Nm @ 2500 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 730.
Compare all specifications:
| 2009 BMW 730 | 2006 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 730 | STS |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3563 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 253 HP |
| Engine RPM | 6600 RPM | 6500 RPM |
| Torque | 300 Nm | 342 Nm |
| Torque RPM | 2500 RPM | 3200 RPM |
| Engine Compression Ratio | 10.7:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 229 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1782 kg |
| Vehicle Length | 5180 mm | 4990 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 3140 mm | 2960 mm |
| Fuel Consumption Overall | 10.3 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 88 L | 66 L |
