2006 Cadillac STS vs. 2009 BMW 318
To start off, 2009 BMW 318 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, 2006 Cadillac STS (253 HP @ 6500 RPM) has 112 more horse power than 2009 BMW 318. (141 HP @ 6000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2009 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 407 kg more than 2009 BMW 318. 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 141 more torque (in Nm) than 2009 BMW 318. (201 Nm @ 3750 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 318.
Compare all specifications:
| 2006 Cadillac STS | 2009 BMW 318 | |
| Make | Cadillac | BMW |
| Model | STS | 318 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 141 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 342 Nm | 201 Nm |
| Torque RPM | 3200 RPM | 3750 RPM |
| Engine Bore Size | 94 mm | 84 mm |
| Engine Stroke Size | 85.6 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 229 km/hour | 214 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 9.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1782 kg | 1375 kg |
| Vehicle Length | 4990 mm | 4270 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2960 mm | 2730 mm |
| Fuel Consumption Overall | 12.4 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
