2009 Alpina B7 vs. 2007 Mercedes-Benz CLS
To start off, 2009 Alpina B7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz CLS would be higher. At 6,206 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 14 more horse power than 2009 Alpina B7. (493 HP @ 5500 RPM) In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2009 Alpina B7.
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 69 more torque (in Nm) than 2007 Mercedes-Benz CLS. (631 Nm @ 5200 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz CLS.
Compare all specifications:
| 2009 Alpina B7 | 2007 Mercedes-Benz CLS | |
| Make | Alpina | Mercedes-Benz |
| Model | B7 | CLS |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 6206 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 507 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 700 Nm | 631 Nm |
| Torque RPM | 4250 RPM | 5200 RPM |
| Engine Bore Size | 92 mm | 102.2 mm |
| Engine Stroke Size | 82.8 mm | 94.6 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5180 mm | 4910 mm |
| Vehicle Width | 1910 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 3140 mm | 2860 mm |
| Fuel Consumption Overall | 12.9 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 88 L | 80 L |
