2008 Mercedes-Benz SL vs. 2012 Infiniti QX56
To start off, 2012 Infiniti QX56 is newer by 4 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 5,600 cc (8 cylinders), 2012 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2012 Infiniti QX56 (400 HP @ 5800 RPM) has 131 more horse power than 2008 Mercedes-Benz SL. (269 HP @ 6000 RPM) In normal driving conditions, 2012 Infiniti QX56 should accelerate faster than 2008 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2012 Infiniti QX56 weights approximately 713 kg more than 2008 Mercedes-Benz SL. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2012 Infiniti QX56 (559 Nm @ 4000 RPM) has 209 more torque (in Nm) than 2008 Mercedes-Benz SL. (350 Nm @ 2400 RPM). This means 2012 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz SL.
Compare all specifications:
| 2008 Mercedes-Benz SL | 2012 Infiniti QX56 | |
| Make | Mercedes-Benz | Infiniti |
| Model | SL | QX56 |
| Year Released | 2008 | 2012 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 5600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 269 HP | 400 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 350 Nm | 559 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1825 kg | 2538 kg |
| Vehicle Length | 4540 mm | 5291 mm |
| Vehicle Width | 1830 mm | 2029 mm |
| Vehicle Height | 1320 mm | 1925 mm |
| Wheelbase Size | 2570 mm | 3076 mm |
| Fuel Tank Capacity | 80 L | 98 L |
