2006 Infiniti QX56 vs. 1998 Mercedes-Benz SL
To start off, 2006 Infiniti QX56 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1998 Mercedes-Benz SL would be higher. At 5,555 cc (8 cylinders), 2006 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2006 Infiniti QX56 (315 HP @ 4900 RPM) has 13 more horse power than 1998 Mercedes-Benz SL. (302 HP @ 5600 RPM). In normal driving conditions, 2006 Infiniti QX56 should accelerate faster than 1998 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 1998 Mercedes-Benz SL weights approximately 570 kg more than 2006 Infiniti QX56.
Because 2006 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti QX56 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, 2006 Infiniti QX56 (529 Nm @ 3600 RPM) has 68 more torque (in Nm) than 1998 Mercedes-Benz SL. (461 Nm @ 2700 RPM). This means 2006 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1998 Mercedes-Benz SL.
Compare all specifications:
| 2006 Infiniti QX56 | 1998 Mercedes-Benz SL | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX56 | SL |
| Year Released | 2006 | 1998 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5555 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 315 HP | 302 HP |
| Engine RPM | 4900 RPM | 5600 RPM |
| Torque | 529 Nm | 461 Nm |
| Torque RPM | 3600 RPM | 2700 RPM |
| Engine Bore Size | 98 mm | 97 mm |
| Engine Stroke Size | 92 mm | 84 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1890 kg |
| Vehicle Length | 5260 mm | 4510 mm |
| Vehicle Width | 2010 mm | 1820 mm |
| Vehicle Height | 1980 mm | 1300 mm |
| Wheelbase Size | 3140 mm | 2520 mm |
| Fuel Consumption Highway | 13.1 L/100km | 9.6 L/100km |
| Fuel Consumption City | 18.1 L/100km | 17.9 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 106 L | 80 L |
