1999 Audi S8 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 would be higher. At 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 5 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 260 kg more than 2007 Audi A4.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 will offer significantly more control. 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, both vehicles can yield 330 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1999 Audi S8 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | S8 | A4 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 3123 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 247 HP | 252 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 330 Nm | 330 Nm |
| Torque RPM | 3400 RPM | 3250 RPM |
| Engine Compression Ratio | 11.0:1 | 12.5:1 |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 6.8 seconds |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1490 kg |
| Vehicle Length | 5040 mm | 4590 mm |
| Vehicle Width | 1890 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2650 mm |
| Fuel Consumption Overall | 13.9 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
