2008 Audi S4 vs. 2009 Audi R8
To start off, 2009 Audi R8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S4. In addition, the cost of maintenance, including insurance, on 2008 Audi S4 would be higher. Both 2008 Audi S4 and 2009 Audi R8 are equipped with a 4,163 cc engine. In terms of performance, 2009 Audi R8 (420 HP @ 7800 RPM) has 81 more horse power than 2008 Audi S4. (339 HP @ 7000 RPM) In normal driving conditions, 2009 Audi R8 should accelerate faster than 2008 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 900 kg more than 2009 Audi R8.
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 R8 (430 Nm @ 4500 RPM) has 20 more torque (in Nm) than 2008 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4.
Compare all specifications:
2008 Audi S4 | 2009 Audi R8 | |
Make | Audi | Audi |
Model | S4 | R8 |
Year Released | 2008 | 2009 |
Body Type | Station Wagon | Coupe |
Engine Position | Front | Middle |
Engine Size | 4163 cc | 4163 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 339 HP | 420 HP |
Engine RPM | 7000 RPM | 7800 RPM |
Torque | 410 Nm | 430 Nm |
Torque RPM | 3500 RPM | 4500 RPM |
Engine Compression Ratio | 11.0:1 | 12.5:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | 4WD | AWD |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1795 kg | 895 kg |
Vehicle Length | 4580 mm | 4440 mm |
Vehicle Width | 1790 mm | 1910 mm |
Vehicle Height | 1450 mm | 1260 mm |
Wheelbase Size | 2660 mm | 2660 mm |
Fuel Consumption Overall | 13.4 L/100km | 15.7 L/100km |
Fuel Tank Capacity | 66 L | 90 L |