2008 Infiniti QX56 vs. 2011 Mercedes-Benz SLK
To start off, 2011 Mercedes-Benz SLK is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2008 Infiniti QX56 would be higher. At 5,550 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 92 more horse power than 2011 Mercedes-Benz SLK. (228 HP @ 6000 RPM). In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 2011 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz SLK weights approximately 135 kg more than 2008 Infiniti QX56.
Because 2008 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 234 more torque (in Nm) than 2011 Mercedes-Benz SLK. (299 Nm @ 2500 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz SLK. 2008 Infiniti QX56 has automatic transmission and 2011 Mercedes-Benz SLK has manual transmission. 2011 Mercedes-Benz SLK will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Infiniti QX56 | 2011 Mercedes-Benz SLK | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX56 | SLK |
| Year Released | 2008 | 2011 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5550 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 228 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 533 Nm | 299 Nm |
| Torque RPM | 3400 RPM | 2500 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1455 kg |
| Vehicle Length | 5260 mm | 4102 mm |
| Vehicle Width | 2030 mm | 1788 mm |
| Vehicle Height | 1960 mm | 1298 mm |
| Wheelbase Size | 3140 mm | 2431 mm |
| Fuel Consumption Highway | 13.1 L/100km | 9 L/100km |
| Fuel Consumption City | 19.6 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 106 L | 70 L |
