2009 Cadillac STS vs. 2005 BMW 318
To start off, 2009 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 318. In addition, the cost of maintenance, including insurance, on 2005 BMW 318 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 @ 6300 RPM) has 161 more horse power than 2005 BMW 318. (141 HP @ 6000 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2005 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 240 kg more than 2005 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 168 more torque (in Nm) than 2005 BMW 318. (201 Nm @ 3750 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 318.
Compare all specifications:
| 2009 Cadillac STS | 2005 BMW 318 | |
| Make | Cadillac | BMW |
| Model | STS | 318 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 141 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 369 Nm | 201 Nm |
| Torque RPM | 5200 RPM | 3750 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 | 2 doors |
| Vehicle Weight | 1635 kg | 1395 kg |
| Vehicle Length | 5000 mm | 4490 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2960 mm | 2740 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 64 L | 63 L |
