2008 BMW 630 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 630. In addition, the cost of maintenance, including insurance, on 2008 BMW 630 would be higher. At 5,513 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (510 HP @ 5000 RPM) has 256 more horse power than 2008 BMW 630. (254 HP @ 6600 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2008 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 630 weights approximately 340 kg more than 2009 Mercedes-Benz SL.
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 SL (830 Nm @ 1900 RPM) has 530 more torque (in Nm) than 2008 BMW 630. (300 Nm @ 2500 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 630. 2009 Mercedes-Benz SL has automatic transmission and 2008 BMW 630 has manual transmission. 2008 BMW 630 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 630 | 2009 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 630 | SL |
| Year Released | 2008 | 2009 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2994 cc | 5513 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 254 HP | 510 HP |
| Engine RPM | 6600 RPM | 5000 RPM |
| Torque | 300 Nm | 830 Nm |
| Torque RPM | 2500 RPM | 1900 RPM |
| Engine Bore Size | 85 mm | 82 mm |
| Engine Stroke Size | 88 mm | 87 mm |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1565 kg | 1225 kg |
| Vehicle Length | 4830 mm | 4540 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2790 mm | 2570 mm |
| Fuel Consumption Overall | 9.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
