2007 Audi A8 vs. 2011 Audi S5
To start off, 2011 Audi S5 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 4,200 cc (8 cylinders), 2011 Audi S5 is equipped with a bigger engine. In terms of performance, 2011 Audi S5 (354 HP @ 7000 RPM) has 78 more horse power than 2007 Audi A8. (276 HP @ 6000 RPM) In normal driving conditions, 2011 Audi S5 should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 26 kg more than 2011 Audi S5.
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, 2011 Audi S5 (440 Nm @ 3500 RPM) has 80 more torque (in Nm) than 2007 Audi A8. (360 Nm @ 3750 RPM). This means 2011 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8. 2007 Audi A8 has automatic transmission and 2011 Audi S5 has manual transmission. 2011 Audi S5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A8 | 2011 Audi S5 | |
| Make | Audi | Audi |
| Model | A8 | S5 |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 4200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 276 HP | 354 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 360 Nm | 440 Nm |
| Torque RPM | 3750 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1776 kg | 1750 kg |
| Vehicle Length | 5060 mm | 4625 mm |
| Vehicle Width | 1900 mm | 1854 mm |
| Vehicle Height | 1450 mm | 1372 mm |
| Wheelbase Size | 2950 mm | 2751 mm |
| Fuel Consumption | 8.6 L/100km | 10.7 L/100km |
| Fuel Consumption City | 17.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
