2009 Audi Q7 vs. 2009 Audi A4
To start off, both 2009 Audi Q7 and 2009 Audi A4 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 154 more horse power than 2009 Audi A4. (168 HP @ 6000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 920 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 2009 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, 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 530 more torque (in Nm) than 2009 Audi A4. (230 Nm @ 3200 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2009 Audi Q7 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | Q7 | A4 |
| Year Released | 2009 | 2009 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4133 cc | 2393 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 322 HP | 168 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 760 Nm | 230 Nm |
| Torque RPM | 2500 RPM | 3200 RPM |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 77.4 mm |
| Engine Compression Ratio | 16.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 236 km/hour | 223 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 9.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2420 kg | 1500 kg |
| Vehicle Length | 5090 mm | 4550 mm |
| Vehicle Width | 2090 mm | 1780 mm |
| Vehicle Height | 1780 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2660 mm |
| Fuel Consumption Overall | 11.1 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 100 L | 70 L |
