2004 Alpina B3 vs. 2007 BMW 545
To start off, 2007 BMW 545 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Alpina B3. In addition, the cost of maintenance, including insurance, on 2004 Alpina B3 would be higher. At 4,397 cc (8 cylinders), 2007 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 BMW 545 (328 HP @ 6100 RPM) has 27 more horse power than 2004 Alpina B3. (301 HP @ 6300 RPM) In normal driving conditions, 2007 BMW 545 should accelerate faster than 2004 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 525 kg more than 2004 Alpina B3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 BMW 545 (450 Nm @ 3600 RPM) has 88 more torque (in Nm) than 2004 Alpina B3. (362 Nm @ 4800 RPM). This means 2007 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alpina B3.
Compare all specifications:
| 2004 Alpina B3 | 2007 BMW 545 | |
| Make | Alpina | BMW |
| Model | B3 | 545 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 328 HP |
| Engine RPM | 6300 RPM | 6100 RPM |
| Torque | 362 Nm | 450 Nm |
| Torque RPM | 4800 RPM | 3600 RPM |
| Engine Bore Size | 87 mm | 92 mm |
| Engine Stroke Size | 93.8 mm | 82.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 270 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1975 kg |
| Vehicle Length | 4480 mm | 4850 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 11.1 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
