2009 Audi Q7 vs. 2004 Audi S4
To start off, 2009 Audi Q7 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,172 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 17 more horse power than 2009 Audi Q7. (322 HP @ 3750 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 700 kg more than 2004 Audi S4.
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 (760 Nm @ 1800 RPM) has 350 more torque (in Nm) than 2004 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4. 2009 Audi Q7 has automatic transmission and 2004 Audi S4 has manual transmission. 2004 Audi S4 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 | 2004 Audi S4 | |
| Make | Audi | Audi |
| Model | Q7 | S4 |
| Year Released | 2009 | 2004 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4132 cc | 4172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 322 HP | 339 HP |
| Engine RPM | 3750 RPM | 7000 RPM |
| Torque | 760 Nm | 410 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 16.5:1 | 11.0:1 |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 5.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2420 kg | 1720 kg |
| Vehicle Length | 5090 mm | 4590 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1780 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2470 mm |
| Fuel Consumption Overall | 11.1 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 100 L | 63 L |
