2009 Cadillac STS vs. 2011 Alpina B7
To start off, 2011 Alpina B7 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2009 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2011 Alpina B7 (500 HP @ 5500 RPM) has 179 more horse power than 2009 Cadillac STS. (321 HP @ 6400 RPM) In normal driving conditions, 2011 Alpina B7 should accelerate faster than 2009 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B7 weights approximately 385 kg more than 2009 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Alpina B7 (699 Nm @ 3000 RPM) has 272 more torque (in Nm) than 2009 Cadillac STS. (427 Nm @ 4400 RPM). This means 2011 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2011 Alpina B7 | |
| Make | Cadillac | Alpina |
| Model | STS | B7 |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 500 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 427 Nm | 699 Nm |
| Torque RPM | 4400 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 2205 kg |
| Vehicle Length | 4990 mm | 5225 mm |
| Vehicle Width | 1850 mm | 1902 mm |
| Vehicle Height | 1470 mm | 1494 mm |
| Wheelbase Size | 2960 mm | 3211 mm |
| Fuel Consumption | 9.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 66 L | 82 L |
