2005 BMW X5 vs. 2013 Mercedes-Benz SL
To start off, 2013 Mercedes-Benz SL is newer by 8 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 5,500 cc (8 cylinders), 2013 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SL (523 HP @ 5500 RPM) has 308 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2013 Mercedes-Benz SL should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 325 kg more than 2013 Mercedes-Benz SL.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2013 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2005 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, 2013 Mercedes-Benz SL (800 Nm @ 4500 RPM) has 280 more torque (in Nm) than 2005 BMW X5. (520 Nm @ 2000 RPM). This means 2013 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 2005 BMW X5 | 2013 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SL |
| Year Released | 2005 | 2013 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 2926 cc | 5500 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 523 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 520 Nm | 800 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 98 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 4.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 4-speed manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1845 kg |
| Vehicle Length | 4670 mm | 4633 mm |
| Vehicle Width | 1880 mm | 2099 mm |
| Vehicle Height | 1720 mm | 1300 mm |
| Wheelbase Size | 2830 mm | 2585 mm |
