2005 BMW X5 vs. 2007 Mercedes-Benz SL
To start off, 2007 Mercedes-Benz SL is newer by 2 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 4,966 cc (8 cylinders), 2007 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SL (302 HP @ 5600 RPM) has 87 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2007 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 322 kg more than 2007 Mercedes-Benz SL.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 60 more torque (in Nm) than 2007 Mercedes-Benz SL. (460 Nm @ 2700 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz SL. 2007 Mercedes-Benz SL has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 2007 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SL |
| Year Released | 2005 | 2007 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 302 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 520 Nm | 460 Nm |
| Torque RPM | 2000 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 210 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1848 kg |
| Vehicle Length | 4670 mm | 4540 mm |
| Vehicle Height | 1720 mm | 1830 mm |
| Wheelbase Size | 2830 mm | 2570 mm |
| Fuel Consumption Overall | 8.6 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 93 L | 90 L |
