2007 BMW 330 vs. 2005 Cadillac STS
To start off, 2007 BMW 330 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 3,556 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (255 HP @ 6500 RPM) has 40 more horse power than 2007 BMW 330. (215 HP @ 4000 RPM) In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2007 BMW 330. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 256 kg more than 2007 BMW 330. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW 330 (480 Nm @ 1750 RPM) has 141 more torque (in Nm) than 2005 Cadillac STS. (339 Nm @ 3200 RPM). This means 2007 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2007 BMW 330 | 2005 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 330 | STS |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3556 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 255 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 480 Nm | 339 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 94 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1796 kg |
| Vehicle Length | 4530 mm | 4990 mm |
| Vehicle Width | 1430 mm | 1850 mm |
| Vehicle Height | 1820 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 7.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
