2005 Mercedes-Benz SL vs. 2012 BMW X5
To start off, 2012 BMW X5 is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SL would be higher. At 5,439 cc (8 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (469 HP @ 2650 RPM) has 69 more horse power than 2012 BMW X5. (400 HP @ 5500 RPM). In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 2012 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 485 kg more than 2005 Mercedes-Benz SL.
Because 2012 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2012 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 Mercedes-Benz SL (700 Nm @ 2650 RPM) has 91 more torque (in Nm) than 2012 BMW X5. (609 Nm @ 1750 RPM). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2012 BMW X5.
Compare all specifications:
| 2005 Mercedes-Benz SL | 2012 BMW X5 | |
| Make | Mercedes-Benz | BMW |
| Model | SL | X5 |
| Year Released | 2005 | 2012 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 5439 cc | 4400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 469 HP | 400 HP |
| Engine RPM | 2650 RPM | 5500 RPM |
| Torque | 700 Nm | 609 Nm |
| Torque RPM | 2650 RPM | 1750 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1955 kg | 2440 kg |
| Vehicle Length | 4540 mm | 4854 mm |
| Vehicle Width | 1820 mm | 1933 mm |
| Vehicle Height | 1300 mm | 1775 mm |
| Wheelbase Size | 2570 mm | 2933 mm |
| Fuel Tank Capacity | 80 L | 85 L |
