2009 Audi Q7 vs. 2007 Mercedes-Benz E
To start off, 2009 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz E. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz E would be higher. At 5,461 cc (8 cylinders), 2007 Mercedes-Benz E is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz E (383 HP @ 6000 RPM) has 61 more horse power than 2009 Audi Q7. (322 HP @ 3750 RPM) In normal driving conditions, 2007 Mercedes-Benz E should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 540 kg more than 2007 Mercedes-Benz E.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 @ 1800 RPM) has 230 more torque (in Nm) than 2007 Mercedes-Benz E. (530 Nm @ 280 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz E.
Compare all specifications:
| 2009 Audi Q7 | 2007 Mercedes-Benz E | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | E |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4132 cc | 5461 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 383 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 760 Nm | 530 Nm |
| Torque RPM | 1800 RPM | 280 RPM |
| Engine Bore Size | 83 mm | 98 mm |
| Engine Stroke Size | 95.5 mm | 90.5 mm |
| Engine Compression Ratio | 16.5:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 5.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2420 kg | 1880 kg |
| Vehicle Length | 5090 mm | 4820 mm |
| Vehicle Width | 1990 mm | 1830 mm |
| Vehicle Height | 1780 mm | 1480 mm |
| Wheelbase Size | 3010 mm | 2860 mm |
| Fuel Consumption Overall | 11.1 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 100 L | 80 L |
