2003 Alpina B3 vs. 2006 Buick LaCrosse
To start off, 2006 Buick LaCrosse is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 3,555 cc (6 cylinders), 2006 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6300 RPM) has 61 more horse power than 2006 Buick LaCrosse. (240 HP @ 6000 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2006 Buick LaCrosse. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 54 kg more than 2006 Buick LaCrosse. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Alpina B3 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Alpina B3. However, in wet, icy, snow, or gravel driving conditions, 2006 Buick LaCrosse, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 Alpina B3 (362 Nm @ 4800 RPM) has 57 more torque (in Nm) than 2006 Buick LaCrosse. (305 Nm @ 2000 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Buick LaCrosse.
Compare all specifications:
| 2003 Alpina B3 | 2006 Buick LaCrosse | |
| Make | Alpina | Buick |
| Model | B3 | LaCrosse |
| Year Released | 2003 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3555 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 240 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 305 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 87.1 mm | 94 mm |
| Engine Stroke Size | 93.9 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2000 kg | 1946 kg |
| Vehicle Length | 4480 mm | 5040 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 3000 mm | 2810 mm |
| Fuel Consumption Overall | 11.1 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
