2003 Alpina B7 vs. 2006 Mercedes-Benz R
To start off, 2006 Mercedes-Benz R is newer by 3 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 6,208 cc (8 cylinders), 2006 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz R (504 HP @ 6800 RPM) has 12 more horse power than 2003 Alpina B7. (492 HP @ 5500 RPM) In normal driving conditions, 2006 Mercedes-Benz R should accelerate faster than 2003 Alpina B7. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz R weights approximately 375 kg more than 2003 Alpina B7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina B7. In wet, icy, snow, or gravel driving conditions, 2006 Mercedes-Benz R will offer significantly more control. 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 @ 3000 RPM) has 70 more torque (in Nm) than 2006 Mercedes-Benz R. (630 Nm @ 5200 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz R.
Compare all specifications:
| 2003 Alpina B7 | 2006 Mercedes-Benz R | |
| Make | Alpina | Mercedes-Benz |
| Model | B7 | R |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 504 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 700 Nm | 630 Nm |
| Torque RPM | 3000 RPM | 5200 RPM |
| Engine Bore Size | 92 mm | 102.2 mm |
| Engine Stroke Size | 82.7 mm | 94.6 mm |
| Engine Compression Ratio | 9.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 5.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2000 kg | 2375 kg |
| Vehicle Length | 5040 mm | 5160 mm |
| Vehicle Width | 1910 mm | 1930 mm |
| Vehicle Height | 1500 mm | 1640 mm |
| Wheelbase Size | 3000 mm | 3220 mm |
| Fuel Consumption Overall | 11.2 L/100km | 16.3 L/100km |
| Fuel Tank Capacity | 88 L | 80 L |
