2005 BMW X5 vs. 2004 Mercedes-Benz SL
To start off, 2005 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SL would be higher. At 5,513 cc (8 cylinders), 2004 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SL (493 HP @ 4200 RPM) has 172 more horse power than 2005 BMW X5. (321 HP @ 6100 RPM) In normal driving conditions, 2004 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 276 kg more than 2004 Mercedes-Benz SL.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2004 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, 2004 Mercedes-Benz SL (700 Nm) has 250 more torque (in Nm) than 2005 BMW X5. (450 Nm). This means 2004 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 | 2004 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SL |
| Year Released | 2005 | 2004 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 321 HP | 493 HP |
| Engine RPM | 6100 RPM | 4200 RPM |
| Torque | 450 Nm | 700 Nm |
| Engine Bore Size | 92 mm | 97 mm |
| Engine Stroke Size | 83 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2235 kg | 1959 kg |
| Vehicle Length | 4670 mm | 4540 mm |
| Vehicle Width | 1880 mm | 1840 mm |
| Vehicle Height | 1710 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2570 mm |
| Fuel Consumption | 10.7 L/100km | 11.2 L/100km |
| Fuel Consumption City | 14.7 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 92 L | 91 L |
