2003 BMW 545 vs. 2007 Cadillac STS
To start off, 2007 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 73 more horse power than 2007 Cadillac STS. (255 HP @ 6500 RPM). In normal driving conditions, 2003 BMW 545 should accelerate faster than 2007 Cadillac STS.
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, 2003 BMW 545 (451 Nm @ 3600 RPM) has 109 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2003 BMW 545 | 2007 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 545 | STS |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3556 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 255 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 451 Nm | 342 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Engine Bore Size | 92 mm | 94 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4850 mm | 4990 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2960 mm |
| Fuel Consumption | 7.7 L/100km | 8.7 L/100km |
| Fuel Consumption City | 15.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 10.6 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
