2009 Audi Q7 vs. 2007 Audi A4
To start off, 2009 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 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 239 more horse power than 2007 Audi A4. (255 HP @ 6500 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1295 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (1,000 Nm @ 1750 RPM) has 670 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
2009 Audi Q7 | 2007 Audi A4 | |
Make | Audi | Audi |
Model | Q7 | A4 |
Year Released | 2009 | 2007 |
Body Type | SUV | Convertible |
Engine Position | Front | Front |
Engine Size | 5934 cc | 3123 cc |
Engine Cylinders | 12 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 494 HP | 255 HP |
Engine RPM | 3750 RPM | 6500 RPM |
Torque | 1000 Nm | 330 Nm |
Torque RPM | 1750 RPM | 3250 RPM |
Engine Bore Size | 83 mm | 84.1 mm |
Engine Stroke Size | 91.4 mm | 96 mm |
Engine Compression Ratio | 16.0:1 | 11.3:1 |
Fuel Type | Diesel | Diesel |
Drive Type | 4WD | 4WD |
Transmission Type | Automatic | Automatic |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 2605 kg | 1310 kg |
Vehicle Length | 5070 mm | 4580 mm |
Vehicle Width | 2010 mm | 1780 mm |
Vehicle Height | 1700 mm | 1400 mm |
Wheelbase Size | 3010 mm | 2660 mm |
Fuel Consumption Overall | 11.3 L/100km | 10.7 L/100km |
Fuel Tank Capacity | 100 L | 63 L |