2009 Audi A4 vs. 2009 Audi Q7
To start off, both 2009 Audi A4 and 2009 Audi Q7 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 283 more horse power than 2009 Audi A4. (211 HP @ 4300 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 1573 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.
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 650 more torque (in Nm) than 2009 Audi A4. (350 Nm @ 1500 RPM). This means 2009 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 | 2009 Audi Q7 | |
| Make | Audi | Audi |
| Model | A4 | Q7 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5934 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 494 HP |
| Engine RPM | 4300 RPM | 3750 RPM |
| Torque | 350 Nm | 1000 Nm |
| Torque RPM | 1500 RPM | 1750 RPM |
| Engine Bore Size | 82.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 91.4 mm |
| Engine Compression Ratio | 9.6:1 | 16.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1032 kg | 2605 kg |
| Vehicle Length | 4710 mm | 5070 mm |
| Vehicle Width | 1840 mm | 2010 mm |
| Vehicle Height | 1430 mm | 1700 mm |
| Wheelbase Size | 2820 mm | 3010 mm |
| Fuel Consumption Overall | 9.4 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
