2009 Audi Q7 vs. 2011 Mercedes-Benz C
To start off, 2011 Mercedes-Benz C is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi Q7. In addition, the cost of maintenance, including insurance, on 2009 Audi Q7 would be higher. At 4,133 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 121 more horse power than 2011 Mercedes-Benz C. (201 HP @ 5500 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2011 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 915 kg more than 2011 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 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, 2009 Audi Q7 (760 Nm @ 2500 RPM) has 450 more torque (in Nm) than 2011 Mercedes-Benz C. (310 Nm @ 2200 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz C.
Compare all specifications:
| 2009 Audi Q7 | 2011 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | C |
| Year Released | 2009 | 2011 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4133 cc | 1800 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 201 HP |
| Engine RPM | 3750 RPM | 5500 RPM |
| Torque | 760 Nm | 310 Nm |
| Torque RPM | 2500 RPM | 2200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2420 kg | 1505 kg |
| Vehicle Length | 5090 mm | 4592 mm |
| Vehicle Width | 2090 mm | 1770 mm |
| Vehicle Height | 1780 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2761 mm |
| Fuel Tank Capacity | 100 L | 66 L |
