2009 Cadillac STS vs. 2006 BMW 523
To start off, 2009 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 523. In addition, the cost of maintenance, including insurance, on 2006 BMW 523 would be higher. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP) has 127 more horse power than 2006 BMW 523. (175 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2006 BMW 523.
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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 139 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523.
Compare all specifications:
| 2009 Cadillac STS | 2006 BMW 523 | |
| Make | Cadillac | BMW |
| Model | STS | 523 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 175 HP |
| Torque | 369 Nm | 230 Nm |
| Torque RPM | 5200 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5000 mm | 4850 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2960 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
