2008 Audi A8 vs. 1998 Mercedes-Benz S
To start off, 2008 Audi A8 is newer by 10 year(s). Which means there will be less support and parts availability for 1998 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1998 Mercedes-Benz S would be higher. At 4,965 cc (8 cylinders), 1998 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1998 Mercedes-Benz S (302 HP @ 5500 RPM) has 31 more horse power than 2008 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 1998 Mercedes-Benz S should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 69 kg more than 1998 Mercedes-Benz S.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (650 Nm @ 1800 RPM) has 190 more torque (in Nm) than 1998 Mercedes-Benz S. (460 Nm @ 2700 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1998 Mercedes-Benz S.
Compare all specifications:
| 2008 Audi A8 | 1998 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | S |
| Year Released | 2008 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 4965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 271 HP | 302 HP |
| Engine RPM | 3750 RPM | 5500 RPM |
| Torque | 650 Nm | 460 Nm |
| Torque RPM | 1800 RPM | 2700 RPM |
| Engine Bore Size | 81 mm | 97 mm |
| Engine Stroke Size | 95.5 mm | 84 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 6.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1944 kg | 1875 kg |
| Vehicle Length | 5190 mm | 5160 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 3080 mm | 2970 mm |
| Fuel Tank Capacity | 90 L | 88 L |
