2009 Mercedes-Benz CLS vs. 2010 Alpina B5
To start off, 2010 Alpina B5 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz CLS would be higher. At 4,397 cc (8 cylinders), 2010 Alpina B5 is equipped with a bigger engine. In terms of performance, 2010 Alpina B5 (493 HP @ 5500 RPM) has 205 more horse power than 2009 Mercedes-Benz CLS. (288 HP @ 6400 RPM) In normal driving conditions, 2010 Alpina B5 should accelerate faster than 2009 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2010 Alpina B5 weights approximately 75 kg more than 2009 Mercedes-Benz CLS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2010 Alpina B5 (700 Nm @ 4250 RPM) has 335 more torque (in Nm) than 2009 Mercedes-Benz CLS. (365 Nm @ 3000 RPM). This means 2010 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz CLS.
Compare all specifications:
| 2009 Mercedes-Benz CLS | 2010 Alpina B5 | |
| Make | Mercedes-Benz | Alpina |
| Model | CLS | B5 |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 288 HP | 493 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 365 Nm | 700 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 86 mm | 82.7 mm |
| Engine Compression Ratio | 12.2:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.7 seconds | 4.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1735 kg | 1810 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2860 mm | 2890 mm |
| Fuel Consumption Overall | 9.1 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
