2007 BMW 320 vs. 2006 Cadillac STS
To start off, 2007 BMW 320 is newer by 1 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 98 more horse power than 2007 BMW 320. (155 HP @ 4000 RPM) In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 322 kg more than 2007 BMW 320. 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 12 more torque (in Nm) than 2007 BMW 320. (330 Nm @ 2000 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2007 BMW 320 | 2006 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 320 | STS |
| Year Released | 2007 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3563 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 253 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 330 Nm | 342 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 94 mm |
| Engine Stroke Size | 90 mm | 85.6 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 220 km/hour | 229 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1460 kg | 1782 kg |
| Vehicle Length | 4530 mm | 4990 mm |
| Vehicle Width | 1420 mm | 1850 mm |
| Vehicle Height | 1820 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2960 mm |
| Fuel Consumption Overall | 7.5 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 63 L | 66 L |
