2003 Alpina B7 vs. 2005 Mercedes-Benz B
To start off, 2005 Mercedes-Benz B is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alpina B7. In addition, the cost of maintenance, including insurance, on 2003 Alpina B7 would be higher. At 4,399 cc (8 cylinders), 2003 Alpina B7 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 302 more horse power than 2005 Mercedes-Benz B. (190 HP @ 5000 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 2005 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 620 kg more than 2005 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Alpina B7 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 B7. However, in wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz B, 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 B7 (700 Nm @ 4250 RPM) has 420 more torque (in Nm) than 2005 Mercedes-Benz B. (280 Nm @ 1800 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz B. 2003 Alpina B7 has automatic transmission and 2005 Mercedes-Benz B has manual transmission. 2005 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina B7 | 2005 Mercedes-Benz B | |
| Make | Alpina | Mercedes-Benz |
| Model | B7 | B |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4399 cc | 2034 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 492 HP | 190 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 700 Nm | 280 Nm |
| Torque RPM | 4250 RPM | 1800 RPM |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 295 km/hour | 225 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 7.6 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1990 kg | 1370 kg |
| Vehicle Length | 5180 mm | 4280 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1610 mm |
| Wheelbase Size | 3000 mm | 2860 mm |
| Fuel Tank Capacity | 88 L | 54 L |
