2007 Audi S4 vs. 2004 Audi A8
To start off, 2007 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 4,172 cc (8 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 11 more horse power than 2004 Audi A8. (330 HP @ 6500 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2004 Audi A8.
Let's talk about torque, 2004 Audi A8 (430 Nm @ 3500 RPM) has 20 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4. 2004 Audi A8 has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2004 Audi A8 | |
| Make | Audi | Audi |
| Model | S4 | A8 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 341 HP | 330 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 410 Nm | 430 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 249 km/hour | 245 km/hour |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 5190 mm |
| Vehicle Width | 1730 mm | 1900 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2650 mm | 3080 mm |
| Fuel Tank Capacity | 63 L | 90 L |
