2003 BMW X3 vs. 2008 Cadillac STS
To start off, 2008 Cadillac STS is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 3,564 cc (6 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (302 HP @ 6300 RPM) has 117 more horse power than 2003 BMW X3. (185 HP @ 6000 RPM) In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 280 kg more than 2008 Cadillac STS.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2008 Cadillac STS (369 Nm @ 5200 RPM) has 124 more torque (in Nm) than 2003 BMW X3. (245 Nm @ 3500 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 BMW X3 | 2008 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | X3 | STS |
| Year Released | 2003 | 2008 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3564 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 302 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 245 Nm | 369 Nm |
| Torque RPM | 3500 RPM | 5200 RPM |
| Engine Bore Size | 84 mm | 94.1 mm |
| Engine Stroke Size | 75 mm | 85.6 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1560 kg |
| Vehicle Length | 4570 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1680 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2960 mm |
| Fuel Tank Capacity | 67 L | 64 L |
