2005 Audi S4 vs. 1999 Audi R8
To start off, 2005 Audi S4 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Audi R8. In addition, the cost of maintenance, including insurance, on 1999 Audi R8 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 1999 Audi R8 (610 HP @ 6200 RPM) has 270 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 1999 Audi R8 should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 1838 kg more than 1999 Audi R8.
Let's talk about torque, 1999 Audi R8 (705 Nm) has 295 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1999 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1999 Audi R8 | |
| Make | Audi | Audi |
| Model | S4 | R8 |
| Year Released | 2005 | 1999 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4161 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 610 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 410 Nm | 705 Nm |
| Number of Seats | 4 seats | 1 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 2 kg |
| Vehicle Length | 4580 mm | 4660 mm |
| Vehicle Width | 1780 mm | 2010 mm |
| Vehicle Height | 1400 mm | 1090 mm |
