2007 Cadillac STS vs. 2008 Alpina B3
To start off, 2008 Alpina B3 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 3,556 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Alpina B3 (301 HP @ 6300 RPM) has 47 more horse power than 2007 Cadillac STS. (254 HP @ 6500 RPM) In normal driving conditions, 2008 Alpina B3 should accelerate faster than 2007 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 330 kg more than 2008 Alpina B3.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2008 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS will offer significantly more control. 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, 2008 Alpina B3 (362 Nm @ 4800 RPM) has 20 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 2008 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2007 Cadillac STS | 2008 Alpina B3 | |
| Make | Cadillac | Alpina |
| Model | STS | B3 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 3346 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 301 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 342 Nm | 362 Nm |
| Torque RPM | 3200 RPM | 4800 RPM |
| Engine Bore Size | 94 mm | 87 mm |
| Engine Stroke Size | 85.6 mm | 93.8 mm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 229 km/hour | 271 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1452 kg |
| Vehicle Length | 4990 mm | 4490 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2960 mm | 2730 mm |
| Fuel Consumption Overall | 12.4 L/100km | 11 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
