2009 Audi Q7 vs. 2012 Mercedes-Benz C
To start off, 2012 Mercedes-Benz C is newer by 3 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 5,934 cc (12 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (494 HP @ 3750 RPM) has 338 more horse power than 2012 Mercedes-Benz C. (156 HP @ 5000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2012 Mercedes-Benz C.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2012 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 (1,000 Nm @ 1750 RPM) has 750 more torque (in Nm) than 2012 Mercedes-Benz C. (250 Nm @ 1600 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2012 Mercedes-Benz C.
Compare all specifications:
| 2009 Audi Q7 | 2012 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | C |
| Year Released | 2009 | 2012 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 1796 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 494 HP | 156 HP |
| Engine RPM | 3750 RPM | 5000 RPM |
| Torque | 1000 Nm | 250 Nm |
| Torque RPM | 1750 RPM | 1600 RPM |
| Engine Compression Ratio | 16.0:1 | 9.8:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 217 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 9.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 5070 mm | 4606 mm |
| Vehicle Width | 2010 mm | 1770 mm |
| Vehicle Height | 1700 mm | 1459 mm |
| Wheelbase Size | 3010 mm | 2760 mm |
| Fuel Tank Capacity | 100 L | 66 L |
