2005 Audi S4 vs. 1999 Audi A4
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 A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP) has 190 more horse power than 1999 Audi A4. (150 HP). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1999 Audi A4.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 200 more torque (in Nm) than 1999 Audi A4. (210 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 2005 Audi S4 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | S4 | A4 |
| Year Released | 2005 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1779 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 340 HP | 150 HP |
| Torque | 410 Nm | 210 Nm |
| Engine Bore Size | 85.1 mm | 81 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4550 mm | 4480 mm |
| Vehicle Width | 1770 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
