2007 BMW 320 vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 320. In addition, the cost of maintenance, including insurance, on 2007 BMW 320 would be higher. At 6,207 cc (8 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 359 more horse power than 2007 BMW 320. (148 HP @ 6200 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 441 kg more than 2007 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, 2009 Mercedes-Benz CLS (630 Nm @ 5200 RPM) has 430 more torque (in Nm) than 2007 BMW 320. (200 Nm @ 3600 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2007 BMW 320 | 2009 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | 320 | CLS |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 6207 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 507 HP |
| Engine RPM | 6200 RPM | 6800 RPM |
| Torque | 200 Nm | 630 Nm |
| Torque RPM | 3600 RPM | 5200 RPM |
| Engine Bore Size | 84 mm | 102.2 mm |
| Engine Stroke Size | 90 mm | 94.6 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 213 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.2 seconds | 4.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1464 kg | 1905 kg |
| Vehicle Length | 4530 mm | 4920 mm |
| Vehicle Width | 1420 mm | 1880 mm |
| Vehicle Height | 1820 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2860 mm |
| Fuel Consumption Overall | 8.1 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
