2009 Audi Q7 vs. 2006 Mercedes-Benz C
To start off, 2009 Audi Q7 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz C 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 272 more horse power than 2006 Mercedes-Benz C. (222 HP @ 4200 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2006 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 925 kg more than 2006 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 2006 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 490 more torque (in Nm) than 2006 Mercedes-Benz C. (510 Nm @ 1600 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz C.
Compare all specifications:
| 2009 Audi Q7 | 2006 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | C |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 2987 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 494 HP | 222 HP |
| Engine RPM | 3750 RPM | 4200 RPM |
| Torque | 1000 Nm | 510 Nm |
| Torque RPM | 1750 RPM | 1600 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 91.4 mm | 92 mm |
| Engine Compression Ratio | 16.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 250 km/hour | 244 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 8.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2605 kg | 1680 kg |
| Vehicle Length | 5070 mm | 4550 mm |
| Vehicle Width | 2010 mm | 1730 mm |
| Vehicle Height | 1700 mm | 1470 mm |
| Wheelbase Size | 3010 mm | 2720 mm |
| Fuel Consumption Overall | 11.3 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 100 L | 62 L |
