2009 Audi A4 vs. 2007 Audi Q7
To start off, 2009 Audi A4 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 4,163 cc (8 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (346 HP @ 6800 RPM) has 205 more horse power than 2009 Audi A4. (141 HP @ 4200 RPM) In normal driving conditions, 2007 Audi Q7 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 1365 kg more than 2009 Audi A4. 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 Audi A4. 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, 2007 Audi Q7 (440 Nm @ 3500 RPM) has 120 more torque (in Nm) than 2009 Audi A4. (320 Nm @ 1750 RPM). This means 2007 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2007 Audi Q7 | |
| Make | Audi | Audi |
| Model | A4 | Q7 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 346 HP |
| Engine RPM | 4200 RPM | 6800 RPM |
| Torque | 320 Nm | 440 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Compression Ratio | 16.5:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 205 km/hour | 244 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 7.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 2295 kg |
| Vehicle Width | 2010 mm | 1990 mm |
| Vehicle Height | 1430 mm | 1740 mm |
| Wheelbase Size | 2810 mm | 3010 mm |
| Fuel Consumption Overall | 5.8 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 65 L | 100 L |
