2006 Infiniti Q45 vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2006 Infiniti Q45 would be higher. At 6,208 cc (8 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (503 HP @ 6800 RPM) has 163 more horse power than 2006 Infiniti Q45. (340 HP @ 6400 RPM) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 2006 Infiniti Q45.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2006 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz R 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, 2007 Mercedes-Benz R (632 Nm @ 5000 RPM) has 180 more torque (in Nm) than 2006 Infiniti Q45. (452 Nm @ 4000 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti Q45.
Compare all specifications:
| 2006 Infiniti Q45 | 2007 Mercedes-Benz R | |
| Make | Infiniti | Mercedes-Benz |
| Model | Q45 | R |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 503 HP |
| Engine RPM | 6400 RPM | 6800 RPM |
| Torque | 452 Nm | 632 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Engine Bore Size | 93 mm | 102.2 mm |
| Engine Stroke Size | 82.7 mm | 94.6 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5110 mm | 5160 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1500 mm | 1670 mm |
| Wheelbase Size | 2880 mm | 3220 mm |
| Fuel Consumption | 10 L/100km | 14.7 L/100km |
| Fuel Consumption City | 14 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 15.8 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 81 L | 80 L |
