2003 Mercedes-Benz SL vs. 2013 BMW X6 M
To start off, 2013 BMW X6 M is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz SL would be higher. At 5,513 cc (12 cylinders), 2003 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2013 BMW X6 M (547 HP @ 6000 RPM) has 54 more horse power than 2003 Mercedes-Benz SL. (493 HP @ 5000 RPM) In normal driving conditions, 2013 BMW X6 M should accelerate faster than 2003 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X6 M weights approximately 390 kg more than 2003 Mercedes-Benz SL. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW X6 M is all wheel drive (AWD), it will have significant more traction and grip than 2003 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2013 BMW X6 M will offer significantly more control. 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, 2003 Mercedes-Benz SL (800 Nm @ 1800 RPM) has 122 more torque (in Nm) than 2013 BMW X6 M. (678 Nm @ 5650 RPM). This means 2003 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW X6 M.
Compare all specifications:
| 2003 Mercedes-Benz SL | 2013 BMW X6 M | |
| Make | Mercedes-Benz | BMW |
| Model | SL | X6 M |
| Year Released | 2003 | 2013 |
| Body Type | Convertible | Crossover |
| Engine Position | Front | Front |
| Engine Size | 5513 cc | 4395 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 493 HP | 547 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 800 Nm | 678 Nm |
| Torque RPM | 1800 RPM | 5650 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2025 kg | 2415 kg |
| Vehicle Length | 4540 mm | 4876 mm |
| Vehicle Width | 1830 mm | 2195 mm |
| Vehicle Height | 1300 mm | 1684 mm |
| Wheelbase Size | 2570 mm | 2933 mm |
| Fuel Tank Capacity | 80 L | 85 L |
