2009 Audi Q7 vs. 2005 Mercedes-Benz C
To start off, 2009 Audi Q7 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C 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 188 more horse power than 2005 Mercedes-Benz C. (134 HP @ 4200 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 900 kg more than 2005 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 2005 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 420 more torque (in Nm) than 2005 Mercedes-Benz C. (340 Nm @ 1800 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2009 Audi Q7 | 2005 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | C |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4133 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 134 HP |
| Engine RPM | 3750 RPM | 4200 RPM |
| Torque | 760 Nm | 340 Nm |
| Torque RPM | 2500 RPM | 1800 RPM |
| Engine Compression Ratio | 16.5:1 | 18.0:1 |
| Top Speed | 236 km/hour | 215 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 10.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2420 kg | 1520 kg |
| Wheelbase Size | 3010 mm | 2720 mm |
| Fuel Consumption Overall | 11.1 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 100 L | 62 L |
