2007 Mercedes-Benz CLS vs. 2009 BMW 320
To start off, 2009 BMW 320 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 4,964 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (302 HP @ 5600 RPM) has 134 more horse power than 2009 BMW 320. (168 HP @ 6100 RPM). In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz CLS weights approximately 290 kg more than 2009 BMW 320. 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, 2007 Mercedes-Benz CLS (460 Nm @ 2700 RPM) has 250 more torque (in Nm) than 2009 BMW 320. (210 Nm @ 3500 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2007 Mercedes-Benz CLS | 2009 BMW 320 | |
| Make | Mercedes-Benz | BMW |
| Model | CLS | 320 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4964 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 302 HP | 168 HP |
| Engine RPM | 5600 RPM | 6100 RPM |
| Torque | 460 Nm | 210 Nm |
| Torque RPM | 2700 RPM | 3500 RPM |
| Engine Bore Size | 97 mm | 80 mm |
| Engine Stroke Size | 84 mm | 72 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 224 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 8.5 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 | 1810 kg | 1520 kg |
| Vehicle Length | 4920 mm | 4480 mm |
| Vehicle Width | 1400 mm | 1750 mm |
| Vehicle Height | 1880 mm | 1420 mm |
| Wheelbase Size | 2860 mm | 2730 mm |
| Fuel Consumption Overall | 11.3 L/100km | 9 L/100km |
| Fuel Tank Capacity | 89 L | 63 L |
