2007 BMW 630 vs. 2007 Cadillac STS
To start off, both 2007 BMW 630 and 2007 Cadillac STS were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 65 more horse power than 2007 BMW 630. (255 HP @ 6600 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2007 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 630 weights approximately 122 kg more 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 127 more torque (in Nm) than 2007 BMW 630. (300 Nm @ 2500 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 630. 2007 Cadillac STS has automatic transmission and 2007 BMW 630 has manual transmission. 2007 BMW 630 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 630 | 2007 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 630 | STS |
| Year Released | 2007 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 320 HP |
| Engine RPM | 6600 RPM | 6400 RPM |
| Torque | 300 Nm | 427 Nm |
| Torque RPM | 2500 RPM | 4400 RPM |
| Engine Bore Size | 85 mm | 93 mm |
| Engine Stroke Size | 88 mm | 84 mm |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1638 kg |
| Vehicle Length | 4830 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2790 mm | 2960 mm |
| Fuel Consumption Overall | 9.6 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
