2009 BMW 523 vs. 2009 Mercedes-Benz SL
To start off, both 2009 BMW 523 and 2009 Mercedes-Benz SL were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (382 HP @ 6000 RPM) has 207 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2009 BMW 523.
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 (530 Nm @ 2800 RPM) has 300 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523. 2009 Mercedes-Benz SL has automatic transmission and 2009 BMW 523 has manual transmission. 2009 BMW 523 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:
| 2009 BMW 523 | 2009 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | SL |
| Year Released | 2009 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5461 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 382 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 530 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4850 mm | 4540 mm |
| Vehicle Width | 1470 mm | 1820 mm |
| Vehicle Height | 1850 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2570 mm |
| Fuel Consumption Overall | 9.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
