2009 Alpina B7 vs. 2009 Mercedes-Benz SL
To start off, both 2009 Alpina B7 and 2009 Mercedes-Benz SL were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 6,208 cc (8 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (518 HP @ 6800 RPM) has 25 more horse power than 2009 Alpina B7. (493 HP @ 5500 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2009 Alpina B7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 720 kg more than 2009 Mercedes-Benz SL.
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, 2009 Alpina B7 (700 Nm @ 4250 RPM) has 70 more torque (in Nm) than 2009 Mercedes-Benz SL. (630 Nm @ 5200 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz SL.
Compare all specifications:
| 2009 Alpina B7 | 2009 Mercedes-Benz SL | |
| Make | Alpina | Mercedes-Benz |
| Model | B7 | SL |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Convertible |
| 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 | 493 HP | 518 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 700 Nm | 630 Nm |
| Torque RPM | 4250 RPM | 5200 RPM |
| Engine Bore Size | 92 mm | 102.3 mm |
| Engine Stroke Size | 82.7 mm | 94.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1960 kg | 1240 kg |
| Vehicle Length | 5050 mm | 4540 mm |
| Vehicle Width | 1910 mm | 1480 mm |
| Vehicle Height | 1480 mm | 1600 mm |
| Wheelbase Size | 3000 mm | 2570 mm |
| Fuel Consumption Overall | 12.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 88 L | 80 L |
