1999 Infiniti Q45 vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (269 HP @ 6000 RPM) has 4 more horse power than 1999 Infiniti Q45. (265 HP @ 5600 RPM) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 1999 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 446 kg more than 1999 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1999 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, 1999 Infiniti Q45 (378 Nm @ 4000 RPM) has 28 more torque (in Nm) than 2007 Mercedes-Benz R. (350 Nm @ 2400 RPM). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz R.
Compare all specifications:
| 1999 Infiniti Q45 | 2007 Mercedes-Benz R | |
| Make | Infiniti | Mercedes-Benz |
| Model | Q45 | R |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4128 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 269 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 378 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Engine Bore Size | 93 mm | 92.9 mm |
| Engine Stroke Size | 76 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1759 kg | 2205 kg |
| Vehicle Length | 5080 mm | 5160 mm |
| Vehicle Width | 1830 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1660 mm |
| Wheelbase Size | 2840 mm | 3220 mm |
| Fuel Tank Capacity | 60 L | 80 L |
