2007 Audi Q7 vs. 2005 Audi S4
To start off, 2007 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 7000 RPM) has 64 more horse power than 2007 Audi Q7. (276 HP @ 6200 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 2007 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 350 kg more than 2005 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, 2005 Audi S4 (410 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2007 Audi Q7. (360 Nm @ 2500 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi Q7. 2007 Audi Q7 has automatic transmission and 2005 Audi S4 has manual transmission. 2005 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi Q7 | 2005 Audi S4 | |
| Make | Audi | Audi |
| Model | Q7 | S4 |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3598 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 276 HP | 340 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 360 Nm | 410 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Compression Ratio | 12.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 5.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2205 kg | 1855 kg |
| Vehicle Length | 5090 mm | 4580 mm |
| Vehicle Width | 1990 mm | 1790 mm |
| Vehicle Height | 1740 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 2660 mm |
| Fuel Consumption Overall | 12.9 L/100km | 14 L/100km |
| Fuel Tank Capacity | 100 L | 63 L |
