2006 Infiniti Q45 vs. 2007 Mercedes-Benz C
To start off, 2007 Mercedes-Benz C 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 5,439 cc (8 cylinders), 2007 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz C (362 HP @ 5750 RPM) has 22 more horse power than 2006 Infiniti Q45. (340 HP @ 6400 RPM) In normal driving conditions, 2007 Mercedes-Benz C should accelerate faster than 2006 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz C weights approximately 795 kg more than 2006 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 C (511 Nm @ 4000 RPM) has 59 more torque (in Nm) than 2006 Infiniti Q45. (452 Nm @ 4000 RPM). This means 2007 Mercedes-Benz C 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 C | |
| Make | Infiniti | Mercedes-Benz |
| Model | Q45 | C |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4490 cc | 5439 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 340 HP | 362 HP |
| Engine RPM | 6400 RPM | 5750 RPM |
| Torque | 452 Nm | 511 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 97 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 2115 kg |
| Vehicle Length | 5110 mm | 4620 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1500 mm | 1420 mm |
| Wheelbase Size | 2880 mm | 2720 mm |
| Fuel Consumption Overall | 11.9 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 81 L | 62 L |
