2009 Mercedes-Benz SL vs. 2007 Cadillac BLS
To start off, 2009 Mercedes-Benz SL is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac BLS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac BLS would be higher. At 5,980 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (661 HP @ 5400 RPM) has 513 more horse power than 2007 Cadillac BLS. (148 HP @ 4000 RPM). In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2007 Cadillac BLS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac BLS weights approximately 270 kg more than 2009 Mercedes-Benz SL.
Because 2009 Mercedes-Benz SL is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac BLS, being front wheel drive (FWD), will offer much better control with better grip. 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 (1,000 Nm @ 2200 RPM) has 680 more torque (in Nm) than 2007 Cadillac BLS. (320 Nm @ 2000 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac BLS.
Compare all specifications:
| 2009 Mercedes-Benz SL | 2007 Cadillac BLS | |
| Make | Mercedes-Benz | Cadillac |
| Model | SL | BLS |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5980 cc | 1908 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 661 HP | 148 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 1000 Nm | 320 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 320 km/hour | 210 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1635 kg |
| Vehicle Length | 5210 mm | 4690 mm |
| Vehicle Height | 1830 mm | 1480 mm |
| Wheelbase Size | 2570 mm | 2680 mm |
| Fuel Consumption Overall | 6.6 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 80 L | 58 L |
