2007 Audi Q7 vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi Q7. In addition, the cost of maintenance, including insurance, on 2007 Audi Q7 would be higher. At 3,598 cc (6 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (276 HP @ 6200 RPM) has 108 more horse power than 2009 Mercedes-Benz C. (168 HP @ 3800 RPM). In normal driving conditions, 2007 Audi Q7 should accelerate faster than 2009 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 615 kg more than 2009 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2007 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 Mercedes-Benz C (400 Nm @ 2000 RPM) has 40 more torque (in Nm) than 2007 Audi Q7. (360 Nm @ 2500 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi Q7.
Compare all specifications:
| 2007 Audi Q7 | 2009 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | C |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3598 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 168 HP |
| Engine RPM | 6200 RPM | 3800 RPM |
| Torque | 360 Nm | 400 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Compression Ratio | 12.0:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 225 km/hour | 229 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 8.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2205 kg | 1590 kg |
| Vehicle Length | 5090 mm | 4590 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1740 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 2770 mm |
| Fuel Consumption Overall | 12.9 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 100 L | 66 L |
