2003 Audi A6 vs. 2009 Audi Q7
To start off, 2009 Audi Q7 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 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 268 more horse power than 2003 Audi A6. (226 HP @ 5800 RPM) In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 943 kg more than 2003 Audi A6. 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 690 more torque (in Nm) than 2003 Audi A6. (310 Nm @ 1700 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6. 2009 Audi Q7 has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 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:
| 2003 Audi A6 | 2009 Audi Q7 | |
| Make | Audi | Audi |
| Model | A6 | Q7 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 5934 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 226 HP | 494 HP |
| Engine RPM | 5800 RPM | 3750 RPM |
| Torque | 310 Nm | 1000 Nm |
| Torque RPM | 1700 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 86.4 mm | 91.4 mm |
| Engine Compression Ratio | 9.3:1 | 16.0:1 |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 5.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1662 kg | 2605 kg |
| Vehicle Length | 4800 mm | 5070 mm |
| Vehicle Width | 1820 mm | 2010 mm |
| Vehicle Height | 1460 mm | 1700 mm |
| Wheelbase Size | 2770 mm | 3010 mm |
| Fuel Consumption Overall | 11.6 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
