2006 Alpina B5 vs. 2003 BMW 318
To start off, 2006 Alpina B5 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 318. In addition, the cost of maintenance, including insurance, on 2003 BMW 318 would be higher. At 4,398 cc (8 cylinders), 2006 Alpina B5 is equipped with a bigger engine. In terms of performance, 2006 Alpina B5 (492 HP @ 5500 RPM) has 351 more horse power than 2003 BMW 318. (141 HP @ 6000 RPM). In normal driving conditions, 2006 Alpina B5 should accelerate faster than 2003 BMW 318.
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, 2006 Alpina B5 (701 Nm @ 4250 RPM) has 430 more torque (in Nm) than 2003 BMW 318. (271 Nm @ 3750 RPM). This means 2006 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 318.
Compare all specifications:
| 2006 Alpina B5 | 2003 BMW 318 | |
| Make | Alpina | BMW |
| Model | B5 | 318 |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 141 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 701 Nm | 271 Nm |
| Torque RPM | 4250 RPM | 3750 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 211 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 11.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4850 mm | 4270 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 3000 mm | 2730 mm |
| Fuel Consumption Overall | 12.3 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
