2009 Alpina B5 vs. 2006 Cadillac STS
To start off, 2009 Alpina B5 is newer by 3 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 4,398 cc (8 cylinders), 2009 Alpina B5 is equipped with a bigger engine. In terms of performance, 2009 Alpina B5 (493 HP @ 5500 RPM) has 240 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM). In normal driving conditions, 2009 Alpina B5 should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 62 kg more than 2009 Alpina B5.
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, 2009 Alpina B5 (700 Nm @ 4250 RPM) has 358 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2009 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2009 Alpina B5 | 2006 Cadillac STS | |
| Make | Alpina | Cadillac |
| Model | B5 | STS |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3563 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 253 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 700 Nm | 342 Nm |
| Torque RPM | 4250 RPM | 3200 RPM |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 309 km/hour | 229 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1720 kg | 1782 kg |
| 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 Overall | 12.3 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
