2000 Audi A8 vs. 2008 Audi S4
To start off, 2008 Audi S4 is newer by 8 year(s). Which means there will be less support and parts availability for 2000 Audi A8. In addition, the cost of maintenance, including insurance, on 2000 Audi A8 would be higher. At 4,124 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (456 HP @ 6800 RPM) has 226 more horse power than 2000 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2008 Audi S4 should accelerate faster than 2000 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 65 kg more than 2000 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2000 Audi A8 (450 Nm @ 1400 RPM) has 148 more torque (in Nm) than 2008 Audi S4. (302 Nm @ 3500 RPM). This means 2000 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4.
Compare all specifications:
| 2000 Audi A8 | 2008 Audi S4 | |
| Make | Audi | Audi |
| Model | A8 | S4 |
| Year Released | 2000 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 4124 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 230 HP | 456 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 450 Nm | 302 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 7.8 seconds | 6.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1895 kg |
| Vehicle Length | 5060 mm | 4580 mm |
| Vehicle Width | 1900 mm | 1400 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 2950 mm | 2660 mm |
| Fuel Consumption Overall | 8.4 L/100km | 16.4 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
