2005 Alpina B7 vs. 2009 BMW 125
To start off, 2009 BMW 125 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alpina B7. In addition, the cost of maintenance, including insurance, on 2005 Alpina B7 would be higher. At 4,398 cc (8 cylinders), 2005 Alpina B7 is equipped with a bigger engine. In terms of performance, 2005 Alpina B7 (492 HP @ 5500 RPM) has 277 more horse power than 2009 BMW 125. (215 HP @ 6500 RPM). In normal driving conditions, 2005 Alpina B7 should accelerate faster than 2009 BMW 125. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina B7 weights approximately 624 kg more than 2009 BMW 125. 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 Alpina B7 (700 Nm @ 4250 RPM) has 450 more torque (in Nm) than 2009 BMW 125. (250 Nm @ 2750 RPM). This means 2005 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 125. 2005 Alpina B7 has automatic transmission and 2009 BMW 125 has manual transmission. 2009 BMW 125 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alpina B7 | 2009 BMW 125 | |
| Make | Alpina | BMW |
| Model | B7 | 125 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 215 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 700 Nm | 250 Nm |
| Torque RPM | 4250 RPM | 2750 RPM |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 245 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1950 kg | 1326 kg |
| Vehicle Length | 5040 mm | 4370 mm |
| Vehicle Width | 1910 mm | 1430 mm |
| Vehicle Height | 1480 mm | 1760 mm |
| Wheelbase Size | 3000 mm | 2670 mm |
| Fuel Tank Capacity | 88 L | 53 L |
