2009 Audi Q7 vs. 2008 Audi S5
To start off, 2009 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S5. In addition, the cost of maintenance, including insurance, on 2008 Audi S5 would be higher. At 4,163 cc (8 cylinders), 2008 Audi S5 is equipped with a bigger engine. In terms of performance, 2008 Audi S5 (354 HP @ 6800 RPM) has 117 more horse power than 2009 Audi Q7. (237 HP @ 4000 RPM) In normal driving conditions, 2008 Audi S5 should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 605 kg more than 2008 Audi S5.
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 (550 Nm @ 2000 RPM) has 109 more torque (in Nm) than 2008 Audi S5. (441 Nm @ 3500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S5. 2009 Audi Q7 has automatic transmission and 2008 Audi S5 has manual transmission. 2008 Audi S5 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 | 2008 Audi S5 | |
| Make | Audi | Audi |
| Model | Q7 | S5 |
| Year Released | 2009 | 2008 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 354 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 550 Nm | 441 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 83.1 mm | 84.5 mm |
| Engine Stroke Size | 91.4 mm | 92.8 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2370 kg | 1765 kg |
| Vehicle Length | 5090 mm | 4640 mm |
| Vehicle Width | 1990 mm | 1990 mm |
| Vehicle Height | 1740 mm | 1380 mm |
| Wheelbase Size | 3010 mm | 2760 mm |
| Fuel Consumption Overall | 9.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 100 L | 63 L |
