2009 Audi Q7 vs. 2008 Mercedes-Benz C
To start off, 2009 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz C would be higher. At 2,967 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (237 HP @ 4000 RPM) has 117 more horse power than 2008 Mercedes-Benz C. (120 HP @ 4200 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2008 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 865 kg more than 2008 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 2008 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 (550 Nm @ 2000 RPM) has 280 more torque (in Nm) than 2008 Mercedes-Benz C. (270 Nm @ 1600 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz C.
Compare all specifications:
| 2009 Audi Q7 | 2008 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | C |
| Year Released | 2009 | 2008 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 120 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 550 Nm | 270 Nm |
| Torque RPM | 2000 RPM | 1600 RPM |
| Engine Bore Size | 83.1 mm | 88 mm |
| Engine Stroke Size | 91.4 mm | 88.3 mm |
| Engine Compression Ratio | 17.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 8.5 seconds | 11.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2370 kg | 1505 kg |
| Vehicle Length | 5090 mm | 4530 mm |
| Vehicle Width | 1990 mm | 1730 mm |
| Vehicle Height | 1740 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2720 mm |
| Fuel Consumption Overall | 9.8 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 100 L | 62 L |
