2008 Mercedes-Benz SL vs. 2013 BMW X5
To start off, 2013 BMW X5 is newer by 5 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz SL would be higher. At 5,513 cc (12 cylinders), 2008 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SL (510 HP @ 5000 RPM) has 214 more horse power than 2013 BMW X5. (296 HP @ 5800 RPM). In normal driving conditions, 2008 Mercedes-Benz SL should accelerate faster than 2013 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X5 weights approximately 205 kg more than 2008 Mercedes-Benz SL.
Because 2013 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 2008 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2013 BMW X5 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, 2008 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 423 more torque (in Nm) than 2013 BMW X5. (407 Nm @ 5800 RPM). This means 2008 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW X5.
Compare all specifications:
| 2008 Mercedes-Benz SL | 2013 BMW X5 | |
| Make | Mercedes-Benz | BMW |
| Model | SL | X5 |
| Year Released | 2008 | 2013 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 5513 cc | 2996 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 510 HP | 296 HP |
| Engine RPM | 5000 RPM | 5800 RPM |
| Torque | 830 Nm | 407 Nm |
| Torque RPM | 1900 RPM | 5800 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 87 mm | 89 mm |
| Engine Compression Ratio | 9.0:1 | 10.2 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2045 kg | 2250 kg |
| Vehicle Length | 4540 mm | 4857 mm |
| Vehicle Width | 1830 mm | 2197 mm |
| Vehicle Height | 1300 mm | 1776 mm |
| Wheelbase Size | 2570 mm | 2933 mm |
| Fuel Consumption Highway | 12.4 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 80 L | 85 L |
