2012 Mercedes-Benz CLS vs. 2005 BMW 630
To start off, 2012 Mercedes-Benz CLS is newer by 7 year(s). Which means there will be less support and parts availability for 2005 BMW 630. In addition, the cost of maintenance, including insurance, on 2005 BMW 630 would be higher. At 2,993 cc (6 cylinders), 2005 BMW 630 is equipped with a bigger engine. In terms of performance, 2005 BMW 630 (254 HP @ 6600 RPM) has 53 more horse power than 2012 Mercedes-Benz CLS. (201 HP @ 4200 RPM) In normal driving conditions, 2005 BMW 630 should accelerate faster than 2012 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 235 kg more than 2005 BMW 630.
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, 2012 Mercedes-Benz CLS (500 Nm @ 1600 RPM) has 210 more torque (in Nm) than 2005 BMW 630. (290 Nm @ 2500 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630.
Compare all specifications:
| 2012 Mercedes-Benz CLS | 2005 BMW 630 | |
| Make | Mercedes-Benz | BMW |
| Model | CLS | 630 |
| Year Released | 2012 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2143 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 254 HP |
| Engine RPM | 4200 RPM | 6600 RPM |
| Torque | 500 Nm | 290 Nm |
| Torque RPM | 1600 RPM | 2500 RPM |
| Engine Compression Ratio | 16.2:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 241 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 6.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | 7-speed shiftable automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1800 kg | 1565 kg |
| Vehicle Length | 4940 mm | 4830 mm |
| Vehicle Width | 1882 mm | 1860 mm |
| Vehicle Height | 1417 mm | 1380 mm |
| Wheelbase Size | 2875 mm | 2730 mm |
| Fuel Tank Capacity | 80 L | 70 L |
