2009 Audi S5 vs. 2008 Audi S8
To start off, 2009 Audi S5 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S8. In addition, the cost of maintenance, including insurance, on 2008 Audi S8 would be higher. At 5,204 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (450 HP @ 7000 RPM) has 96 more horse power than 2009 Audi S5. (354 HP @ 6800 RPM) In normal driving conditions, 2008 Audi S8 should accelerate faster than 2009 Audi S5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S5 weights approximately 610 kg more than 2008 Audi S8.
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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 99 more torque (in Nm) than 2009 Audi S5. (441 Nm @ 3500 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S5. 2008 Audi S8 has automatic transmission and 2009 Audi S5 has manual transmission. 2009 Audi S5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 Audi S5 | 2008 Audi S8 | |
Make | Audi | Audi |
Model | S5 | S8 |
Year Released | 2009 | 2008 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 4163 cc | 5204 cc |
Engine Cylinders | 8 cylinders | 10 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 354 HP | 450 HP |
Engine RPM | 6800 RPM | 7000 RPM |
Torque | 441 Nm | 540 Nm |
Torque RPM | 3500 RPM | 3500 RPM |
Fuel Type | Gasoline | Gasoline - Premium |
Top Speed | 249 km/hour | 244 km/hour |
Drive Type | 4WD | AWD |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1770 kg | 1160 kg |
Vehicle Length | 4640 mm | 5070 mm |
Vehicle Width | 1990 mm | 1900 mm |
Vehicle Height | 1380 mm | 1430 mm |
Wheelbase Size | 2760 mm | 2950 mm |
Fuel Consumption | 11.2 L/100km | 12.4 L/100km |
Fuel Consumption Overall | 14.7 L/100km | 15.7 L/100km |
Fuel Tank Capacity | 63 L | 90 L |