2006 Alpina B5 vs. 2009 Mercedes-Benz GL
To start off, 2009 Mercedes-Benz GL is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Alpina B5. In addition, the cost of maintenance, including insurance, on 2006 Alpina B5 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2006 Alpina B5 (492 HP @ 5500 RPM) has 110 more horse power than 2009 Mercedes-Benz GL. (382 HP @ 6000 RPM). In normal driving conditions, 2006 Alpina B5 should accelerate faster than 2009 Mercedes-Benz GL.
Because 2009 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz GL 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, 2006 Alpina B5 (701 Nm @ 4250 RPM) has 170 more torque (in Nm) than 2009 Mercedes-Benz GL. (531 Nm @ 2800 RPM). This means 2006 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz GL.
Compare all specifications:
| 2006 Alpina B5 | 2009 Mercedes-Benz GL | |
| Make | Alpina | Mercedes-Benz |
| Model | B5 | GL |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5461 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 382 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 701 Nm | 531 Nm |
| Torque RPM | 4250 RPM | 2800 RPM |
| Engine Bore Size | 92 mm | 98 mm |
| Engine Stroke Size | 82.7 mm | 90.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 314 km/hour | 240 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 6.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4850 mm | 5090 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1930 mm |
| Wheelbase Size | 3000 mm | 3080 mm |
| Fuel Consumption Overall | 12.3 L/100km | 14.1 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
