2005 Infiniti M vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Infiniti M. In addition, the cost of maintenance, including insurance, on 2005 Infiniti M would be higher. At 3,498 cc (6 cylinders), 2005 Infiniti M is equipped with a bigger engine. In terms of performance, 2005 Infiniti M (276 HP @ 6200 RPM) has 89 more horse power than 2007 Mercedes-Benz R. (187 HP @ 4000 RPM). In normal driving conditions, 2005 Infiniti M should accelerate faster than 2007 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 411 kg more than 2005 Infiniti M.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2007 Mercedes-Benz R (440 Nm @ 1400 RPM) has 74 more torque (in Nm) than 2005 Infiniti M. (366 Nm @ 4800 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti M.
Compare all specifications:
| 2005 Infiniti M | 2007 Mercedes-Benz R | |
| Make | Infiniti | Mercedes-Benz |
| Model | M | R |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 187 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 366 Nm | 440 Nm |
| Torque RPM | 4800 RPM | 1400 RPM |
| Engine Bore Size | 96.1 mm | 83 mm |
| Engine Stroke Size | 81 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1815 kg | 2226 kg |
| Vehicle Length | 4900 mm | 4930 mm |
| Vehicle Width | 1800 mm | 1930 mm |
| Vehicle Height | 1520 mm | 1660 mm |
| Wheelbase Size | 2880 mm | 2990 mm |
| Fuel Tank Capacity | 75 L | 80 L |
