2005 Alpina B3 vs. 2005 BMW 545
To start off, both 2005 Alpina B3 and 2005 BMW 545 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (326 HP @ 6100 RPM) has 25 more horse power than 2005 Alpina B3. (301 HP @ 6300 RPM) In normal driving conditions, 2005 BMW 545 should accelerate faster than 2005 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 185 kg more than 2005 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, 2005 BMW 545 (450 Nm @ 3600 RPM) has 88 more torque (in Nm) than 2005 Alpina B3. (362 Nm @ 4800 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alpina B3.
Compare all specifications:
| 2005 Alpina B3 | 2005 BMW 545 | |
| Make | Alpina | BMW |
| Model | B3 | 545 |
| Year Released | 2005 | 2005 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 4390 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 326 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 | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1480 kg | 1665 kg |
| Vehicle Length | 4490 mm | 4850 mm |
| Vehicle Width | 1760 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Tank Capacity | 88 L | 70 L |
